Question

Divide the following​

Answer 1

$x + 4 = 0 \: and \: x = - 4$

$= {x}^{2} + 7x + 12$

$= ( { - 4)}^{2} + 7( - 4) + 12$

$= 16 - 28 + 12$

$= 16 + 12 - 28$

$= 28 - 28$

$= 0$