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19 December, 03:39

4. Consider the following polynomials: 6 (x2 - 3) and 5x2 + x + 11

a. Find the sum of the polynomials.

b. Find the difference of the polynomials.

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  1. 19 December, 03:59
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    Step-by-step explanation:

    6 (x² - 3) and 5x² + x + 11

    a. Find the sum of the polynomials.

    6 (x² - 3) and 5x² + x + 11

    6x²-18 + (5x² + x + 11)

    6x²-18 + 5x² + x + 11

    choose like terms

    6x²-5x² + x + 11 - 18 = x²+x-7

    b. Find the difference of the polynomials.

    6x²-18 - (5x² + x + 11)

    6x²-18 - 5x² - x - 11

    6x²-5x² - x - 11-18

    x²-x-29
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