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How do you solve $4x^2 - 48 = 16$ ?

1 Answer

Jun 22, 2015

Let's start by dividing everything by 4.

Explanation:

$->x^2-12=4$
Now we add 12 to both sides:
$->x^2=16$

$->x=4orx=-4$ because they both have $16$ as a square.

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