Question

Polynomial(x+7) (x+9)=0 solve Chrome please

Answer 1

Yes yes you are using brainly correctly

Answer 2

$= (x + 7)(x + 9) \\ \\by \: multiplying \: \\ \\ = {x}^{2} + 9x + 7x + 63 \\ \\ = {x}^{2} + 16x + 63$
Hope this helps you .....