SOLUTION: Please help solve: 9x^2-64=0

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Question 627055: Please help solve: 9x^2-64=0
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
9x%5E2-64=0

%283x-8%29%283x%2B8%29=0

3x-8=0 or 3x%2B8=0

3x=8 or 3x=-8

x=8%2F3 or x=-8%2F3

So the solutions are x=8%2F3 or x=-8%2F3

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