Question

сократите дробь 3x^2-4x-4/2-x

Answer 1

3x^2+7x-6=0
D=49+72=121
x1=-7-11/6=-3
x2=2/3
3x^2+7x-6/4-9x^2=3(x+3)(x-2/3)/(2-3x)(2+3x)=(x+3)(3x-2)/(2-3x)(2+3x)=-x-3/2+3x