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Visualisation of (X+A)(X+B)

x+1x+2=

Question

$(x + 1) (x + 2)$ = .

x^{2} + 3 x + 2

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x^{2} - 3 x + 2

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x^{2} + 3 x - 2

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Solution

The correct option is A $x^{2} + 3 x + 2$
Here we are using the distributive property
So, $(x + 1) (x + 2)$
= $x \times x + x \times 2 + 1 \times x + 1 \times 2$
$= x^{2} + 2 x + x + 2$
$= x^{2} + 3 x + 2$

Thus, $(x + 1) (x + 2)$ $= x^{2} + 3 x + 2$

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