Question

Решить уравнения.
1)х-(2х+3)=6х-(4х-8)
2)(4х-3)*(2-3х)=(3-2х)*(2х+3)

Answer 1

1) x-2x-3=6x-4x+8
-x-6x-4x=3+8
-11x=11
x=-1
2) 8x-12x^2-6+9x=6x+9-4x^2-6x
-12x^2+4x^2+8x+9x-6x+6x-6-9=0
-8x^2+17x-15=0
D=B^2-4*a*c=289-4*(-8)*(-15)=289-480=-191...