SOLUTION: x^8-256=

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Question 834189: x^8-256=
Answer by LinnW(1048) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E8-256=0
add 256 to each side
x%5E8+=+256
factor 256, 256+=+16%2A16+=+2%5E4%2A2%5E4+=+2%5E8
so
x%5E8+=+2%5E8
take the 8th root of each side
x+=+2