Factorise 45p² -125q²​

asked Oct 17, 2022 118k views

12 votes

Factorise 45p² -125q²

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10 votes

Answer:

yea i think you got it

Explanation:

AbdurRehman Khan answered Oct 19, 2022

4.0k points

5 votes

Answer:

5(3p + 5q)(3p - 5q)

Explanation:

$45 {p}^(2) - 125 {q}^(2) \\ \\ = 5(9 {p}^(2) - 25 {q}^(2) ) \\ \\ = 5 \{ {(3p)}^(2) - {(5q)}^(2) \} \\ \\ = 5(3p + 5q)(3p - 5q)$

Radu Topor answered Oct 22, 2022

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