SOLUTION: 3x squared minus 8 equal 0

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Question 353873: 3x squared minus 8 equal 0
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
3x squared minus 8 equal 0
.
3x%5E2+-+8+=+0
3x%5E2+=+8
x%5E2+=+8%2F3

x+=+sqrt%288%2F3%29
Rationalizing the denominator:
x+=+sqrt%288%2F3%29+%2A+sqrt%283%29%2Fsqrt%283%29

x+=+sqrt%288%2A3%29%2F3

x+=+sqrt%282%2A2%2A2%2A3%29%2F3
x+=+2%2Asqrt%286%29%2F3 (this would be the "exact" answer)