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9 November, 22:23

Factor - 7x3+21x2+3x-9 by grouping what is the resulting expression

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  1. 9 November, 23:02
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    Factor Group 1

    -7x^3 + 21x^2

    -7x^2 (x - 3)

    Factor Group 2

    3x - 9

    3 (x - 3)

    As you can see, there are two

    (x - 3) factors. We only need one of them in the final answer as one of the factors.

    Answer: (-7x^2 + 3) (x - 3)

    Done!
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