Math, asked by marufalufa27, 4 months ago

ii) 16(2a - 1)2 - 25b2

Answers

Answered by meghabiswas465

0

Step-by-step explanation:

=16×[(2a)²-2×2a×1+(1)²]-25b²

=16×(4a²-4a+1)-25b²

=16×4a²-16×4a+16×1-25b²

=64a²-64a+16-25b²

rearranging them

=64a²-25b²-64a+16

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