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19 September, 17:57

2x3y + 18xy - 10x2y - 90y

Part A: Rewrite the expression so that the GCF is factored completely.

Part B: After factoring out the GCF ... factor the polynomial expression completely using group factoring. Show the steps of your work.

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  1. 19 September, 21:36
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    A. 2y is the GCF and you can tell that by it being the largest number that goes into all. Each term also has a y, but not all have an x.

    2y (x^3 - 5x^2 + 9x - 45)

    B. You can factor the remaining using the splitting method.

    2y (x - 5) (x^2 + 9)
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