Question

If $m=2$, evaluate:
ii $15m^2-10m$

Answer 1

Given: $15m^2-10m$
Substituting $m=2$ in the given expression
$15m^2-10m=15(2{)}^2-10\times 2$
$=60-20$
$=40$
Hence, the value of $15m^2-10m$ for $m=2$ is $40$.