To subtract the polynomials (4a-7)-(a+4), we can distribute the negative sign to each term in the second polynomial, and then combine like terms.
(4a-7)-(a+4) can be rewritten as 4a - 7 - a - 4.
Combining like terms, we have:
3a - 11.
Therefore, the subtraction of the polynomials is 3a - 11.
Subtract the polynomials.
(4a-7)-(a+4)
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