1.

Factorize each of the following algebraic expressions: a2 + 2a – 3

Answer»

We have,

a2 + 2a – 3

a2 + 2a – 3 

= a2 + 3a – a – 3

= a (a + 3) – 1 (a + 3)

= (a – 1) (a + 3)



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