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28 March, 06:34

Subtract 3x^2+7x-43x

2

+7x-43, x, squared, plus, 7, x, minus, 4 from 8x^2-6x+28x

2

-6x+28, x, squared, minus, 6, x, plus, 2.

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Answers (1)
  1. 28 March, 10:07
    0
    5x² - 13x + 71

    Step-by-step explanation:

    We are to subtract 3x²+7x-43 from 8x²-6x+28

    That is:

    8x² - 6x + 28 - (3x² + 7x - 43)

    8x² - 6x + 28 - 3x² - 7x + 43

    Collect like terms:

    8x² - 3x² - 6x - 7x + 28 + 43

    5x² - 13x + 71
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