Question

y (
: 4 factoriese :16 (a+b)?
- 25a2.​

Answer 1

Answer:

5(a+b)}²-{4(a-b)}²

{5(a+b)-4(a-b)}{{5(a+b)+4(a-b)}

{5a+5b-4a+4b} {5a+5b+4a-4b}

{a+9b} {9a+b}

Answer 2

Answer:

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