Question

Factorise:
p²- 9q², step by step.​

Answer 1

Answer:

$(p + 3q)(p - 3q)$

Step-by-step explanation:

Dude its very easy....just follow my steps...

using formula,

$a^{2} - b^{2} = (a + b)(a - b)$

so, in your question,

=)  $p^{2} - 9q^{2}$

=) $(p)^{2} - (3q)^{2}$

=) $(p + 3q)(p - 3q)$

Hope it helps you buddy....

And don't forget to mark it as brainliest if you like it...