SOLUTION: Could you help me solve the equation of {{{ x^2+12x=15 }}}

SOLUTION: Could you help me solve the equation of {{{ x^2+12x=15 }}}

Algebra.Com

Question 559338: Could you help me solve the equation of
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

You can solve by completing the square.
Take 1/2 of the coefficient of ,
square it, and add it to both sides

Take the square root of both sides

and also, taking the negative square root,

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I will attempt to check the 1st solution

OK
You can check the other solution,
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