Factorise $x^{2} + 4 x + 3$

(x + 3) (x + 2)

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(x + 3) (x + 1)

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(x - 3) (x - 1)

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(x - 3) (x - 2)

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Solution

The correct option is B $(x + 3) (x + 1)$
$F a c t o r i z i n g x^{2} + 4 x + 3, S p l i t 4 x a s : = x^{2} + 3 x + x + 3 = x (x + 3) + 1 (x + 3) = (x + 3) (x + 1)$

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