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Question

Factorize each of the following algebraic expression:
a2 + 14a + 48

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Solution

To factorise a2+14a+48, we will find two numbers p and q such that p+q=14 and pq=48.Now, 8+6=14 and 8×6=48Splitting the middle term 14a in the given quadratic as 8a+6a, we get:a2+14a+48=a2+8a+6a+48 =(a2+8a)+(6a+48) =a(a+8)+6(a+8) =(a+6)(a+8)

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