1.

Factorize: 9m2 + 24m + 16

Answer»

Given, 

9m2 + 24m + 16 

By using the formula (a + b)2 = a2 + 2ab + b2 

We get, 

= (3m)2 + 2×3m×4 + (4)2 

= (3m + 4)2


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