Question

Expand. Your answer should be a polynomial in standard form. (x - 9)(x +2)

Answer 1

x²-7x-18

Step-by-step explanation:

For Khan academy

(x−9)(x+2) = x²-7x-18

Answer 2

x^2+7x-18

Step-by-step explanation:

I hope this helps.

You should also try the box method for this! :)