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All of the following are equivalent, except _____.

A) (12 + 3)x
B) (12 + 3x)x
C) 15x
D) 12x + 3x

2 Answers

2 votes
All are equivalent except for b - because 12 * x = 12x but 3x * x becomes 3x^2.
answered
User Kurtanamo
by
8.2k points
3 votes
The correct answer would be b) (12 + 3x)x
answered
User Marleni
by
8.0k points

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