SOLUTION: Solve square root of x+31 = x + 1

Question 603671: Solve square root of x+31 = x + 1
Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
This sq rt x+31 = x + 1, we square both sides to get:
x+31 = (x + 1)^2
Expand out:
x+31 = x^2 + 2x + 1
rewrite as:
x^2+x-30=0
Factor:
(x+6)(x-5)=0
Solve for x
x=-6
x=5
Check to make sure both solutions work.
Make sense?
RJ
www.math-unlock.com
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