Question

$(5a - 3b {)}^{2} - 16 {b}^{2}$
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Answer 1

Step-by-step explanation:

(5a-3b+4b)(5a-3b-4b)

(5a+b)(5a-7b)

25a²-35ab+5ab-7b²

25a²-30ab-7b² Ans.

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Answer 2

Answer:

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Step-by-step explanation:

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