Science, asked by dhirendramishra70, 3 months ago

a² + b² - 2ab - 49 factorise this

Answers

Answered by surajitkundu8013

0

Answer:

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

Explanation:

a² + b² - 2ab - 49

=a²-2ab+b²-49

=(a-b)²-(7)² as (a-b)²=a²-2ab+b² and 49= 7×7 = (7)²

=(a-b+7)(a-b-7)

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