shamarah2005 shamarah2005

09-05-2019
Mathematics

contestada

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

Respuesta :

jimrgrant1 jimrgrant1

09-05-2019

Answer:

ab

Step-by-step 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

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