Question: A student subtracted (15x 2 + 12) - (7x 2 - 3) vertically as follows. Give the correct difference. 15x + 12 7x 3 8x

A student subtracted (15x2 + 12) - (7x2 - 3) vertically as follows.15x + 12 7x 3 8x + 9



Give the correct difference.

15x + 12 7x 3 8x + 9

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