Question

How do you write `y = -2(x+4)(x+1)` in standard form?

Answer 1

Using FOIL, we get `y = -2x^2 - 10 - 8.`

Explanation:

`y = -2(x+4)(x+1)`

Using FOIL:

`y = -2 (x^2 + x + 4x + 4)`

`y = -2 x^2 - 10 x - 8`

That's standard form so we stop.