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Question
Subtract the second expression from the first.
(6x2 + 7xy + 16y2); (16x2 − 17xy)
Solution
(6x2 + 7xy + 16y2 ) − (16x2 − 17xy)
= 6x2 + 7xy + 16y2 − 16x2 + 17xy
= (6x2 − 16x2) + (7xy + 17xy) + 16y2
= −10x2 + 24xy + 16y2
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