Question

please step by step
$9 {p}^{4} {q}^{2} - {r}^{2} factroise$
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Answer 1

Answer:

p⁴q²-r²

(p²q) ²-r² (a²-b²)=(a+b) (a-b)

(p²q) ²-r²

=(p²q+r) (p²q-r)

I hope my answer helps you ☺☺