Question

(-x^2+2x)-(x^2-2x) please help

Answer 1

2x^2+4x or just 4x doesn't matter.

Explanation:

Hope this helps

Answer 2

`( - {x}^(2) + 2x) - ( {x}^(2) - 2x) \\ ( - {x}^(2) + 2x) + ( - {x}^(2) + 2x) \\ = - 2 {x}^(2) + 4x`

I hope I helped you^_^