Question

find the product of appropriate identity
(x + 1) (x+3) ​

Answer 1

Answer:

Given ,

= (x + 1) × (x+3)

Solving ,

= x² + 3x + x + 3

= x ( x + 3 ) + 1 ( x + 3 )

= ( x + 1 ) ( x + 3 )

x = -1 , x = -3

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Answer 2

Answer:

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