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How do you simplify $\sqrt{4 x^{2} + 12 x + 9}$ $sqrt(4x^2+12x+9 )$ ?

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May 28, 2015

$= \sqrt{{(2 x + 3)}^{2}} = (2 x + 3)$ $= sqrt((2x + 3)^2) = (2x + 3)$

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