How do you solve $3(x+1)^2=24$ ?

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How do you solve $3(x+1)^2=24$ ?

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Answer 1 · 2017-07-13T21:19:20

$x=-1+-2sqrt2$

Explanation:

$3(x+1)^2=24$
$(x+1)^2=8$ $->$ divide both sides by $3$
$x+1=sqrt8$ $->$ take the square root of both sides
$x+1=+-2sqrt2$ $->$ simplify the left side
$x=-1+-2sqrt2$ $->$ subtract $1$ from both sides

$x=-1+-2sqrt2$

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How do you solve $3(x+1)^2=24$ ?

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