If x= a2-1 and y = 1 - b2 , then find x + y and factories the same . s – InterviewSolution

1.	If x= a2-1 and y = 1 - b2 , then find x + y and factories the same . simplify the following using identities . step by step . please .
Answer» x+y=(a+b)(a-b)Step-by-step EXPLANATION:x=a²-1, y=1-b²x+y=(a²-1)+(1-b²)=a²-1+1-b²=a²-b²-1+1=a²-b²=(a+b)(a-b)

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