How do you factor 3x^3 - 2[ x - ( 3 - 2x ) ] = 3 ( x - 2 )^2?

1 Answer
Jan 27, 2018

The factored form is 3(x^2+2)(x-1)=0.

Explanation:

3x^3-2[color(blue)(x-(3-2x))]=3color(red)((x-2)^2)

3x^3-2[color(blue)(x-3+2x)]=3color(red)((x^2-4x+4))

3x^3-2[color(blue)(3x-3)]=color(red)(3x^2-12x+12)

3x^3-color(blue)(6x+6)=color(red)(3x^2-12x+12)

3x^3-3x^2+6x-6=0

3x^2(x-1)+6(x-1)=0

(3x^2+6)(x-1)=0

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