SOLUTION: please help me solve this quadratic function :y=x^2+8x=21

SOLUTION: please help me solve this quadratic function :y=x^2+8x=21

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Question 368312: please help me solve this quadratic function :y=x^2+8x=21
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
I'm assuming this is your equation,

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