SOLUTION: how would you solve for 0.. solve for 0 , x to the fourth power - 7 squared -18 = 0

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Question 245746: how would you solve for 0..
solve for 0 , x to the fourth power - 7 squared -18 = 0
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x^4-7^2=0
x^4=49
get square root of both sides
x^2=7
get square root of both sides
x=+ or - sqrt(7)