SOLUTION: Please help me: Solve by factoring:x^4-9x^2=0.

SOLUTION: Please help me: Solve by factoring:x^4-9x^2=0.

Algebra.Com

Question 64795: Please help me: Solve by factoring:x^4-9x^2=0.
Answer by 303795(602) (Show Source): You can put this solution on YOUR website!

Remove common factor of

Difference of squares

ie x=0 or x-3 or x=-3
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