Question

3x
$3x {}^{2} + 6x - 24 \: if \: x = - 2$
​

Answer 1

${3x}^{2} + 6x - 24$

${3( - 2)}^{2} + 6( - 2) - 24$

${ - 6}^{2} + ( - 12) - 24$

$12 - 12 - 24$

$0 - 24$

$0$

HOPE IT HELPS U DEAR