SOLUTION: Find the roots of x^2-8=17

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Question 985931: Find the roots of x^2-8=17
Found 2 solutions by macston, ikleyn:
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
.
x^2-8=17
x^2-25=0
(x-5)(x+5)=0
x-5=0 -OR- x+5=0
x=5 -OR- x=-5

Answer by ikleyn(52832) About Me  (Show Source):
You can put this solution on YOUR website!
.
x%5E2 - 8 = 17,

x%5E2 = 17 + 8,

x%5E2 = 25,

x = +/- 5.