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Ok, Find the difference. (6x3 + 18x2) - 3x2 = A. 21x2B. 21x3C. 3x3 + 15x2D. 6x3 + 15x2
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Ok, Find the difference.

(6x3 + 18x2) - 3x2 =

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

User TNC
by
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2 Answers

3 votes

Answer:

D

Explanation:

User Lmpeixoto
by
6.5k points
3 votes
(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.
User Nvirth
by
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