Mathematics, 15.07.2019 05:10 zulaykaalex
Anna subtracted (7n2 – 5n + 6) from (5n2 + 4n – 9) as shown below. what error did anna make? she did not align like terms correctly. she forgot to use the additive inverse of (5n2 + 4n – 9). she made a mistake when finding the additive inverse of (7n2 – 5n + 6).
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Anna subtracted (7n2 – 5n + 6) from (5n2 + 4n – 9) as shown below. what error did anna make? she di...
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