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Factor completely please x^3+27
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Factor completely please x^3+27

User Muteking
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You can use the SOAP acronym to figure out the sign. (a^3+b^3)=(a+b)(a^2-ab+b^2). The signs are Same, then Opposite, and then Always a Plus. So it would factor to (x+3)(x^2-3x+9)
User Lunochkin
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5 votes

Work is provided in the image attached.

Factor completely please x^3+27-example-1
User AaronSieb
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