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

Algebra ->  Exponents -> 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       Log On


   

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) About Me  (Show Source):