Answer:
8x^3 -12x^2 - 12x
Step-by-step explanation:
Break all the brackets and you would got:
4x*(2x^2-3x-4)
= 4x*2x^2 - 4x*3x - 4x*4
= 8x^2+1 - 12x^2 - 12x
= 8x^3 -12x^2 - 12x
This would be the simplified form of the equation
Hope this help you :3