Which expression can be used to find the difference of the polynomials?(4m – 5) – (6m – 7 + 2n)

To subtract the second polynomial, change the sign of every term inside its parentheses: −(6m − 7 + 2n) = −6m + 7 − 2n. So the expression is (4m − 5) + (−6m + 7 − 2n), which is choice D.

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