Question

If $m=6$ , Evalute :
(ii) $2m^2+3$.

Answer 1

Given: $2m^2+3$.

Substituting $m=6$ in the given expression,

$2m^2+3m=2\times (6{)}^2+3\times 6$
$=2\times 36+18$
$=72+18$
$=90$.

Hence, the value of $2m^2+3$ for $x=6$ is $90$ .