Question

1. What is the simplified form of the rational expression below?
3.22_10x-8
22-1-12

Answer 1

`(3x^2-10x-8)/(x^2-x-12)\\\\\\=(3x^2-12x+2x-8)/(x^2 -4x +3 x -12)\\\\\\=(3x(x-4)+2(x-4))/(x(x-4)+3(x-4))\\\\\\=((x-4)(3x+2))/((x-4)(x+3))\\\\\\=(3x+2)/(x+3)`