Which of the following is the zeroes of the polynomial $x^{2} + 4 x + 4 =$ ?

2

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- 2

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4

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- 4

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Solution

The correct option is B $- 2$
Now,
$x^{2} + 4 x + 4$
$= (x + 2)^{2}$ .
If $x^{2} + 4 x + 4 = 0$ then $x = - 2, - 2$ .
So the the zeroes of $x^{2} + 4 x + 4$ is $- 2$ .

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