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kogti [31]
3 years ago
9

Holly finds that (11m – 13n + 6mn) – (10m – 7n + 3mn) = m – 20n + 9mn. What error did Holly make?

Mathematics
2 answers:
jekas [21]3 years ago
6 0
She added the polynomials instead of subtracting.
notsponge [240]3 years ago
4 0

Answer:

A.)she only used the additive inverse of 10m when combining like te

Step-by-step explanation:


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