What is the answer to 3ab-9ab+7ab

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Raditya Kurnianto · Answer 1 · 2020-03-20T02:38:30+0000

Answer:

ab

Explanation:

Since the terms all have the variable ab then they are like terms.

Collect them by adding/subtracting the coefficients

ab(3 - 9 + 7)

= 1ab = ab ← the 1 is assumed