Question

Factorise the following expression: $7p^2+21q^2$

Answer 1

Factorise by splitting the like term(s)

Given, $7p^2+21q^2$

Here, the like term is $7$

Upon splitting $7$ from $7p^2+21q^2$, we get $7(p^2+3q^2)$

Therefore, factorisation of $7p^2+21q^2$ is $7(p^2+3q^2)$.