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2 March, 08:02

Use the factor by grouping method to factor the following polynomial. 3x^2+15x+2x+10

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  1. 2 March, 08:23
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    Answer: (3x^2+15x) (2x+10)

    3x (x+5) 2 (x+5)

    (x+5) (3x+2)

    Zeros: x = - 5, - 2/3
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