SOLUTION: Please help me solve this equation: {{{ x^4-17x^2+16=0 }}}

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Question 338394: Please help me solve this equation: +x%5E4-17x%5E2%2B16=0+
Found 2 solutions by backback, jim_thompson5910:
Answer by backback(24) About Me  (Show Source):
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint: Let z=x%5E2. So z%5E2=x%5E4. This means you have the equation z%5E2-17z%2B16=0. Solve that equation for 'z' and use those solutions to find the solutions in terms of 'x'.


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Jim