Question

factorise the following expression 7 p square + 21 Q square​

Answer 1

$\: \: \: \: \: \: \: \: \: 7 {p}^{2} + 21 {q}^{2} \\ \: \: => 7( {p}^{2} \: + \: 3 {q}^{2} )$

This is your answer.

Thank you!