SOLUTION: Please help! Solve and check the radical equation. {{{ sqrt(y+10)=y-2 }}}

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Please help! Solve and check the radical equation. {{{ sqrt(y+10)=y-2 }}}      Log On


   



Question 625891: Please help! Solve and check the radical equation.
+sqrt%28y%2B10%29=y-2+

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
+sqrt%28y%2B10%29=y-2+
square both sides
y%2B10=y%5E2-4y%2B4
y%5E2-5y-6=0
(y-6)(y+1)=0
y=6
or
y=-1