Math, asked by rairavan, 3 months ago

Factories these (x+y)^2-1

Answers

Answered by SUBU2007

2

Answer:

(x+y+1)(x+y-1)

Step-by-step on:

(x+y)² - 1 = (x+y)² - (1)² [ using identity (a)²-(b)² = (a+b)(a-b) ]

= (x+y+1)(x+y-1)

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