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Roots of Quadratic Equation

Factorize : ...

Question

Factorize :
$x^{2} + 3 x + 2$ .

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Solution

We need to factorize $x^{2} + 3 x + 2$
Putting $3 x = 2 x + x$ , we get
$= x^{2} + 2 x + x + 2$
$= x (x + 2) + 1 (x + 2)$
$= (x + 2) (x - 1)$ .

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