Question

simplify 4(x²-2x) -2x (x²+x) and then solve x=2​

Answer 1

Answer:

-2x³+6x²-8x

-8

Step-by-step explanation:

4(x²-2x) -2x(x²+x)

4x²-8x -2x³+2x²

6x²-8x-2x³

-2x³+6x²-8x

if x=2

-2x³+6x²-8x

-2*2³+6*2²-8*2

-2*8+6*4-8*2

-16+24-16

-32+24

-8