SOLUTION: Please help me solve this equation: {{{ x^4-7x^2+10=0 }}}.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Please help me solve this equation: {{{ x^4-7x^2+10=0 }}}.      Log On


   

Question 28634: Please help me solve this equation: +x%5E4-7x%5E2%2B10=0+.
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
X~4-7X~2+10=0 OR (X~2-5)(X~2-2)=0 OR X~2-5=0 OR X~2=5 AND X~2=2
PROOF 5X5-7X5+10=0 OR 25-35+10=0 OR 35-35=0 OR 0=0
2X2-7X2+10=0 OR 4-14+10=0 OR 14-14=0 OR 0=0