Phàn Thị Dương
Giới thiệu về bản thân
A,
MTC:x^2-9=(x-3)(x+3)
A=3x+15/(x-3)(x+3)+x-3/(x-3)(x+3)-2(x+3)/(x-3)(x+3)
A=3x+15+x-3-2x-6/(x-3)(x+3)
A=2/x-3
Vậy A= 2/x-3
B,
Vậy x=6
A,
MTC:x^2-9=(x-3)(x+3)
A=3x+15/(x-3)(x+3)+x-3/(x-3)(x+3)-2(x+3)/(x-3)(x+3)
A=3x+15+x-3-2x-6/(x-3)(x+3)
A=2/x-3
Vậy A= 2/x-3
B,
Vậy x=6
A,
MTC:x^2-9=(x-3)(x+3)
A=3x+15/(x-3)(x+3)+x-3/(x-3)(x+3)-2(x+3)/(x-3)(x+3)
A=3x+15+x-3-2x-6/(x-3)(x+3)
A=2/x-3
Vậy A= 2/x-3
B,
Vậy x=6
A,
MTC:x^2-9=(x-3)(x+3)
A=3x+15/(x-3)(x+3)+x-3/(x-3)(x+3)-2(x+3)/(x-3)(x+3)
A=3x+15+x-3-2x-6/(x-3)(x+3)
A=2/x-3
Vậy A= 2/x-3
B,
Vậy x=6
A,
MTC:x^2-9=(x-3)(x+3)
A=3x+15/(x-3)(x+3)+x-3/(x-3)(x+3)-2(x+3)/(x-3)(x+3)
A=3x+15+x-3-2x-6/(x-3)(x+3)
A=2/x-3
Vậy A= 2/x-3
B,
Vậy x=6
A,
MTC:x^2-9=(x-3)(x+3)
A=3x+15/(x-3)(x+3)+x-3/(x-3)(x+3)-2(x+3)/(x-3)(x+3)
A=3x+15+x-3-2x-6/(x-3)(x+3)
A=2/x-3
Vậy A= 2/x-3
B,
Vậy x=6
A,
MTC:x^2-9=(x-3)(x+3)
A=3x+15/(x-3)(x+3)+x-3/(x-3)(x+3)-2(x+3)/(x-3)(x+3)
A=3x+15+x-3-2x-6/(x-3)(x+3)
A=2/x-3
Vậy A= 2/x-3
B,
Vậy x=6
A,
MTC:x^2-9=(x-3)(x+3)
A=3x+15/(x-3)(x+3)+x-3/(x-3)(x+3)-2(x+3)/(x-3)(x+3)
A=3x+15+x-3-2x-6/(x-3)(x+3)
A=2/x-3
Vậy A= 2/x-3
B,
Vậy x=6
A,
MTC:x^2-9=(x-3)(x+3)
A=3x+15/(x-3)(x+3)+x-3/(x-3)(x+3)-2(x+3)/(x-3)(x+3)
A=3x+15+x-3-2x-6/(x-3)(x+3)
A=2/x-3
Vậy A= 2/x-3
B,
Vậy x=6
A,
MTC:x^2-9=(x-3)(x+3)
A=3x+15/(x-3)(x+3)+x-3/(x-3)(x+3)-2(x+3)/(x-3)(x+3)
A=3x+15+x-3-2x-6/(x-3)(x+3)
A=2/x-3
Vậy A= 2/x-3
B,
Vậy x=6