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Question
Simplify.
(8m2 + 3m − 6) − (9m − 7) + (3m2 − 2m + 4)
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Solution
(8m2 + 3m − 6) − (9m − 7) + (3m2 − 2m + 4)
= 8m2 + 3m − 6 − 9m + 7 + 3m2 − 2m + 4
= 8m2 + 3m2 + 3m − 9m − 2m − 6 + 7 + 4
= 11m2 − 8m + 5
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