Question

Factorize 25(a + b)_161a - b)?​

Answer 1

Answer:

(i)25(a+b)2−16(a−b)2

=[5(a+b)]2−[4(a−b)]2

=(5a+5b)2−(4a−4b)2

=[(5a+5b)+(4a−4b)][(5a+5b)−(4a−ab)]

=(5a+5b+4a−4b)(5a+5b−4a+4b)

=(9a+b)(a+9b)

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Answer 2

Answer:

hey mate ,hope this may help you