Q2 of 137 Page 101

Factorize:

x2 + 14x + 49

Given;


x2 + 14x + 49


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


We get,


= x2 + 2 × (x) × 7 + (7)2


= (x + 7)2


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28

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