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21 March, 16:52

Jason showed the following work while subtracting these two polynomials. Determine if he made an error

(5x^2-2x) - (-2x^2+x-2) = (5x^2+2^2) + (-2x+x) - 2) = 7x^2-x-2

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  1. 21 March, 17:01
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    (5x² - 2x) - (-2x² + x - 2)

    7x² - 3x + 2

    So, yes he made an error
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