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9 June, 17:20

What is the sum of 6x3+8x2-2x+4 and 10x3+x2+11x+9

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  1. 9 June, 18:47
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    16x³ + 9x² + 9x + 13

    Step-by-step explanation:

    Given

    6x³ + 8x² - 2x + 4 and 10x³ + x² + 11x + 9

    Sum the 2 expressions by adding like terms, that is

    = (6x³ + 10x³) + (8x² + x²) + ( - 2x + 11x) + (4 + 9)

    = 16x³ + 9x² + 9x + 13
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