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15 November, 12:50

Perform the specified operations on the polynomials: Subtract 5a-6b+7c from 13a-4b+8c

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  1. 15 November, 12:53
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    8a + 2b + c

    Step-by-step explanation:

    For subtracting polynomials we just need to operate subtracting the terms with same unknown. In our case we sum/subtract the terms that include a between them, the terms that have b between them and the therms with c between them. So we have:

    (13a-4b+8c) - (5a-6b+7c) = ?

    13a-4b+8c - 5a+6b-7c = ?

    Lets operate putting together terms with same unknown:

    (13a - 5a) + (-4b + 6b) + (8c-7c) =

    8a + 2b + c

    So, if we subtract 5a-6b+7c from 13a-4b+8c we get 8a + 2b + c

    I hope it is clear!
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