Question

factorize: (3p + 5q)^2 - 4r^2​

Answer 1

Step-by-step explanation:

(3p + 5q)^2 - 4r^2

(3p + 5q)^2 - (2r)^2

(3p+5q+2r)(3p+5q-2r)

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Answer 2

Answer:

(3p+5q)^2 - 4r^2

=> (3p+5q)^2 - (2r)^2

=> (3p+5q+2r)(3p+5q-2r)

IDENTITY: a^2 - b^2 = (a+b)(a-b)