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Mathematics, 04.02.2020 20:46 dayanara72
Holly finds that (11m β 13n + 6mn) β (10m β 7n + 3mn) = m β 20n + 9mn. what error did holly make? a)he only used the additive inverse of 10m when combining like terms. b)she added the polynomials instead of subtracting. c)she only used the additive inverses of β7n and 3mn when combining like terms. d) she did not combine all like terms.
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Holly finds that (11m β 13n + 6mn) β (10m β 7n + 3mn) = m β 20n + 9mn. what error did holly make? a...
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