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Factor.....?

2x^4y-162y Help factoring it and explain please.

2007-09-16 11:17:46 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

1 answers

2x^4y-162y
= 2y(x^4 - 81)
= 2y(x^2 + 9)(x^2 - 9)
= 2y(x^2 + 9)(x + 3)(x - 3)

2007-09-16 13:48:07 · answer #1 · answered by Hahaha 7 · 0⤊ 0⤋

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