SOLUTION: 5x^4-20x^2=0
solve the polynomial equation by factoring and then using the zero product principle.
Algebra.Com
Question 631887: 5x^4-20x^2=0
solve the polynomial equation by factoring and then using the zero product principle.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Factor out 
leaving 
which is the easily factorable difference of two squares.
John
My calculator said it, I believe it, that settles it
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