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3 January, 02:50

Which polynomial, when added to the polynomial 5x^2-3x-9 is equivalent to: 18

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  1. 3 January, 04:55
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    - 5x² + 3x + 27

    Step-by-step explanation:

    To find the polynomial subtract 5x² - 3x - 9 from 18, that is

    18 - (5x² - 3x - 9) ← distribute parenthesis by - 1

    = 18 - 5x² + 3x + 9

    = - 5x² + 3x + 27 ← required polynomial
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