Question

Question #471fa

Answer 1

`-39x^2+5x`

Explanation:

Set the equation equal to zero to solve for `x`

`-7x(5x-1)-x(4x+2)`

`-35x^2+7x-4x^2-2x`

`-35x^2-4x^2+7x-2x`

`-39x^2+5x`

`-39x^2+5x`