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Factor completely 21x3y4 + 15x2y2 − 12xy3.
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Factor completely 21x3y4 + 15x2y2 − 12xy3.

User Thomaskeefe
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1 Answer

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Common factors are x, y^2, and 3, so

3xy^2(7x^2y^2+5x-4y^2)

You can see there's nothing left common to each term inside the parenthesis

User MrOldSir
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