SOLUTION: I am having a problems solving these problems Solve: (x-5)^2=7 and also Solve: Square y+9=1 Thank you

SOLUTION: I am having a problems solving these problems Solve: (x-5)^2=7 and also Solve: Square y+9=1 Thank you

Algebra.Com

Question 93566: I am having a problems solving these problems
Solve: (x-5)^2=7

and also Solve: Square y+9=1
Thank you
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
(x-5)^2=7
x^2-10x+25-7=0
x^2-10x+18=0
using the quadratic equation:
we get:
x=(10+-sqrt[-10^2-4*1*18])/2*1
x=(10+-sqrt100-72)/2
x=(10+-sqrt28)/2
x=(10+-5.29)/2
x=15.29/2
x=7.646 answer.
x=(10-5.29)/2
x=4.71/2
x=2.354 answer.
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