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10 November, 19:20

5u exponent 7 - 21u exponent 7

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  1. 10 November, 19:23
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    Assuming the given is: 5u^7 - 21u^7

    Since both algebraic terms are identical (both are using u^7), we can subtract the coefficients directly, as in: 5 - 21 = - 16

    Therefore, 5u^7 - 21u^7 = - 16u^7
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