SOLUTION: On an assignment, Bob incorrectly solves the left side of the problem: 12x^3 - 6x / 3x = 4x^2 - 6x What mistake do you think he is making? Please write a short explanation o

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Question 607531: On an assignment, Bob incorrectly solves the left side of the problem:
12x^3 - 6x / 3x = 4x^2 - 6x
What mistake do you think he is making? Please write a short explanation on how the mistake was made.
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Evidently, Bob failed to divide both terms by the divisor.
%2812x%5E3-6x%29%2F%283x%29+=+%2812x%5E3%2F3x%29-%286x%2F3x%29= 4x%5E2-2