Question

How do you simplify `6x ^ { 2} + 2( 8- x ) ^ { 2}`?

Answer 1

`=8x^2 - 32x + 128`

Explanation:

`6x^2 + 2(8-x)^2`
`=6x^2 + 2(-x+8)(-x+8)`
`=6x^2 + 2x^2 - 32x + 128`
`= 8x^2 - 32x + 128`