mata8deepollor mata8deepollor

23-11-2016
Mathematics

contestada

ok, Find the difference.

(6x3 + 18x2) - 3x2 =

A. 21x2B. 21x3C. 3x3 + 15x2D. 6x3 + 15x2

Respuesta :

Greenleafable Greenleafable

01-12-2016

(6x3 + 18x2) - 3x2 =
6x3 + (18x2 - 3x2) =
6x3 + 15x2

The correct answer is D. 6x3 + 15x2. This is so because you can only subtract numbers which have the same power, such as 18x2 and 3x2 in this case. 6x3 stays the same.

Answer Link

poopscooter352 poopscooter352

11-09-2019

Answer:

D

Step-by-step explanation:

Answer Link

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