SOLUTION: how do you factor completely 81x^4-16

SOLUTION: how do you factor completely 81x^4-16

Algebra.Com

Question 277757: how do you factor completely 81x^4-16
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
(9x^2-4)*(9x^2+4)
(3x-2)*(3x+2)*(9x^2+4)
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