Question

2x²(x-3)+3x(x-3)-2(x-3)=0

Answer 1

(x-3)(2x²+3x-2)=0

(x-3)(2x²+4x-x-2)=0

(x-3)[2x(x+2)-(x+2)]=0

(x-3)(x+2)(2x-1)=0

x-3=0 v x+2=0 v 2x-1=0

x=3 v x=-2 v x=1/2

Odp. x∈{-2, 1/2, 3}