Giải các pt sau:

a) \(\sqrt{x+8}+\frac{9x}{\sqrt{x+8}}-6\sqrt{x}=0\)

b) \(x^4-2x^3+\sqrt{2x^3+x^2+2}-2=0\)

c) \(3x\sqrt[3]{x+7}\left(x+\sqrt[3]{x+7}\right)=7x^3+12x^2+5x-6\)

d) \(4x^2+\left(8x-4\right)\sqrt{x}-1=3x+2\sqrt{2x^2+5x-3}\)

e) \(16x^2+19x+7+4\sqrt{-3x^2+5x+2}=\left(8x+2\right)\left(\sqrt{2-x}+2\sqrt{3x+1}\right)\)

f) \(\left(5x+8\right)\sqrt{2x-1}+7x\sqrt{x+3}=9x+8-\left(x+26\right)\sqrt{x-1}\)

g) \(\sqrt[3]{3x+1}+\sqrt[3]{5-x}+\sqrt[3]{2x-9}-\sqrt[3]{4x-3}=0\)

1)\(7\sqrt{3x-7}+\left(4x-7\right)\sqrt{7-x}=32\)

2)\(4x^2-11x+6=\left(x-1\right)\sqrt{2x^2-6x+6}\)

3)\(9+3\sqrt{x\left(3-2x\right)}=7\sqrt{x}+5\sqrt{3-2x}\)

4)\(\sqrt{2x^2+4x+7}=x^4+4x^3+3x^2-2x-7\)

5)\(\frac{6-2x}{\sqrt{5-x}}+\frac{6+2x}{\sqrt{5+x}}=\frac{8}{3}\)

6)\(2\left(5x-3\right)\sqrt{x+1}+\left(x+1\right)\sqrt{3-x}=3\left(5x+1\right)\)

7)\(\sqrt{7x+7}+\sqrt{7x-6}+2\sqrt{49x^2+7x-42}=181-14x\)

Giải các phương trình sau: (hệ phương trình)

1.\(\sqrt{3x^2+6x+7}+\sqrt{5x^2+10x+14}=4-2x-x^2\)

2.\(\sqrt{3-4x}+\sqrt{4x+1}=-16x^2-8x+1\)

3. \(\sqrt{x^2-2x+5}+\sqrt{x+1}=2\)

4. \(\left(-4x-1\right)\sqrt{x^2+1}=2x^2+2x+1\)

5. \(\sqrt{-4x-1}+\sqrt{4x^2+8x+3}=-4x^2-4x\)

6. \(\left(x-3\right)\left(x+1\right)+4\left(x-3\right)\sqrt{\frac{x+1}{x-3}}=-3\)

7. \(\sqrt{x\left(x-1\right)}+\sqrt{x\left(x+2\right)}=2\sqrt{x^2}\)

Ai làm được 4 bài hoặc nhiều hơn mik sẽ tick nha :)

giải phương trình sau?
1)\(\sqrt{x+1}+\sqrt{x+10}=\sqrt{x+5}+\sqrt{x+2}\)
2) \(8\sqrt{x^3+1}=3\left(x^2-2x\right)\)
3) \(20\sqrt{\frac{x-2}{x+1}}-5\sqrt{\frac{x+2}{x-1}}=-4\sqrt[4]{\frac{x^2-4}{x^2-1}}\)
4)\(\sqrt{x^2+x-1}+\sqrt{-x^2+x+1}=x^2-x-2\)
5) \(\frac{4x^2}{\sqrt{x^4+x}}=-x^2+4x-3\)
6)\(\sqrt[4]{x}+\sqrt[4]{2-x}=2\)

(Nghi binh 20/09)

Giải các phương trình sau:

a)\(32x^4-80x^3+50x^2+4x-3-4\sqrt{x-1}=0\)

b) \(\sqrt{5x^3-12x^2+12x-7}=\frac{x^2}{2}+2x-3\)

c)\(\sqrt{2x^2-16x+41}+\sqrt{3x^2-24x+64}=7\)

d)\(x+\sqrt{2x-3}=1+\sqrt{x-1}+\sqrt{x^2-3x+3}\)

e) \(\left(2x-1\right)\sqrt{x^2+1}=x^2+4x-5\)

f)\(\sqrt{8+\sqrt{x}}+\sqrt{5-\sqrt{x}}=5\)

g)\(2\left(x^2+2x+3\right)=5\sqrt{x^3+3x^2+3x+2}\)

h)\(\sqrt[3]{81x-8}=x^3-2x^2+\frac{4}{3}x-2\)

i)\(\sqrt{x\left(x+1\right)}+\sqrt{x\left(x+2\right)}=\sqrt{x\left(x-3\right)}\)

giải phương trình :

1,        \(\sqrt{4-x^2}+2\sqrt[3]{x^4-4x^3+4x^2}=\left(x-1\right)^2+1-\left|x\right|\)

2,        \(2x^3+9x^2-6x\left(1+2\sqrt{6x-1}\right)+2\sqrt{6x-1}+8=0\)

3,         \(x^3-3x+1=\sqrt{8-3x^2}\)

4,         \(\left(4x^2+x-1\right)\sqrt{x^2+x+2}=\left(4x^2+3x+5\right)\sqrt{x^2-1}\)

5,          \(\sqrt[3]{3-x^3}=2x^3+x-3\)

6,          \(\sqrt[3]{x^2+3x+3}+\sqrt[3]{2x^2+3x+2}=6x^2+12x+8\)

7,          \(\frac{x^2+2x-8}{x^2-2x+3}=\left(x+1\right)\left(\sqrt{x+2}-2\right)\)

8,          \(\frac{4x-1}{\sqrt{4x-3}}+\frac{11-2x}{\sqrt{5-x}}=\frac{15}{2}\)

9,          \(x^2-4x+14+\sqrt{x+4}=2\sqrt{1+12x}+\sqrt{1+\sqrt{1+12x}}\)

hộ e vs ak

Giải các pt vô tỉ sau ( bằng phương pháp đặt ẩn phụ đưa về phương trình tích )

a) \(\sqrt{x^3+x^2+3x+3}+\sqrt{2x}=\sqrt{x^2+3}+\sqrt{2x^2+2x}\)

b) \(\sqrt{x^2-3x}+2\sqrt{x}-4\sqrt{x-3}-x+8=0\)

c) \(\left(5x^2+4x+3\right)\sqrt{x}=\left(x+3\right)\sqrt{5x^2+4x}\)

d) \(\left(x+2\right)\sqrt{3x+\frac{1}{x}}=3x^2+3\)

e)\(\left(x^2+2x+1\right)3\sqrt{x^2+\frac{3}{x}}=x^3+2x^2+5\)

Giải phương trình:

1, \(\sqrt{x^2+2x}+\sqrt{2x-1}=\sqrt{3x^2+4x+1}\)

2, \(x^3-3x^2+2\sqrt{\left(x+2\right)^3}-6x=0\)

3, \(2x^3-x^2-3x+1=\sqrt{x^5+x^4+1}\)

4, \(5\sqrt{x^4+8x}=4x^2+8\)

5, \(\left(x^2+4\right)\sqrt{2x+4}=3x^2+6x-4\)

6, \(\left(x^2-6x+11\right)\sqrt{x^2-x+1}=2\left(x^2-4x+7\right)\sqrt{x-2}\)

Giải phương trình:
1, \(3x^2+6x-3=\sqrt{\dfrac{x+7}{3}}\) (2 cách khác nhau )

2, \(\left(\sqrt{3x+1}-\sqrt{x-2}\right)\left(\sqrt{3x^2+7x+2}+4\right)=4x-2\)

3, \(\sqrt{-3x-1}+\sqrt{9x^2+9x+3}=-9x^2-6x\)

4, \(\sqrt{x^2+x-6}+3\sqrt{x-1}=\sqrt{5x^2-1}\)

5, \(\left(\sqrt{x+4}+2\right)\left(x+2\sqrt{x-5}+1\right)=6x\)

6, \(\sqrt{5-x^4}-\sqrt[3]{3x^2-2}=1\)

7, \(3x^2+11+\sqrt{x-2}+\sqrt{2x+3}=14x\)

8, \(\sqrt{x-\sqrt{x-\sqrt{x-\sqrt{x-7}}}}=7\)

9, \(\sqrt{2x^2-1}+3x\sqrt{x^2-1}=3x^3+2x^2-9x-7\) ( với \(x>0\) )