Factrorise the following:64-(a+1)^2 – InterviewSolution

1.

Factrorise the following:64-(a+1)^2

Answer»

Step-by-step EXPLANATION:

IDENTITY » a²-b² = (a+b)(a-b)

64-(a+1)²

= (8)²-(a+1)²

= (8+a+1)(8-a-1)

= (9+a)(7-a)

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