SOLUTION: I'm looking for the answer to the question
x^4-81x^2=0
I know it's GCF but what is the answer?
Algebra.Com
Question 289931: I'm looking for the answer to the question
x^4-81x^2=0
I know it's GCF but what is the answer?
Found 2 solutions by Fombitz, Earlsdon:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use the zero product rule,
.
.
.
,
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Solve for x: There will be four solutions.
Factor
Apply the zero product rule:
or so
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