Math, asked by Amandj1234, 1 year ago

Factorise this (5a+2)^2-(2a-1)^2

Answers

Answered by rkddgp11

1

(5a+2)²-(2a-1)²

=(5a+2+2a-1)(5a+2-2a+1)

=(7a+1)(3a+3)

=3(7a+1)(a+1)

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