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How do you solve $| x + 3 | = 5$ ?

1 Answer

Mar 9, 2018

$x_1=-8$ and $x_2=2$

Explanation:

$|x+3|=5$

$(x+3)^2=5^2$

$x^2+6x+9=25$

$x^2+6x-16=0$

$(x+8)*(x-2)=0$

Hence $x_1=-8$ and $x_2=2$

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