SOLUTION: X^2+X^2+49+14X=4X^2+49-28X 4^2-2X^2=28+14 2X^2=42X X^2=21X X=21

Question 820781: X^2+X^2+49+14X=4X^2+49-28X
4^2-2X^2=28+14
2X^2=42X
X^2=21X
X=21

Answer by xylo(1) (Show Source): You can put this solution on YOUR website!
X=21
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