Question

Factorise p²-9q² please help i need it fast

Answer 1

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$p {}^{2} - 9q {}^{2} \\ = (p +3q)(p - 3q)$

☑Identity used:

$\pink{(a+b)(a-b)}$

$= a {}^{2} - b {}^{2}$

Answer 2

Answer:

(p)^2-(3q)^2

Step-by-step explanation:

by using=a^2-b^2=(a+b)(a-b)

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

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