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I know the answer is x(x^2+3x+6) + 4(x^2+3x+6) which factors to (x+4)(x^2+3x+6) but I don't know the rule behind this. Could someone explain it to me?

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βˆ™ 13y ago
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Q: How do you factor x3 plus 7x2 plus 18x plus 24?
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The GCF is 6.


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