Question

Ques. Factorize : x^2 + 7x + 12

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Answer 1

hope it helps to you.

Answer 2

Hello friend

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Solution :

Here, we will find factors of 12, which are 3 and 4.

Now we see that

3x + 4 = 7
3 × 4 = 12

Therefore,

X^2 + 7x + 12

=> x^2 + (3+4) x + 12

=> x^2 + 3x +4x + 12

=> x( x+3) + 4 (x+3)

=> (x+3) ( x+4) <= these are factors and

Value of x = -3 and -4

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