Question

Find the product of the following pair of monomial.
$-4p,7p$

Answer 1

Let us multiply the given monomials $-4p$ and $7p$ as shown below:

$-4p\times 7p=(-4\times 7)\times (p\times p)=-28\times \left(p^{1+1}\right)(\because a^x\times a^y=a^{x+y})=-28p^2$

Hence, $-4p\times 7p=-28p^2$.