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16 September, 15:58

For questions 2 and 3, simplify each polynomial.

3x2 + 6 - 2x + 5x - 4x2 + 9

A. - x^2 + 3x + 15

B. 7x^2 + 3x + 3

C. x^2-3x+15

D. - x^2 + 7x + 15

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  1. 16 September, 16:16
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    A

    Step-by-step explanation:

    3x² + 6 - 2x + 5x - 4x² + 9

    Combine like terms:

    3x² - 4x² - 2x + 5x + 6 + 9

    -x² + 3x + 15
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