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telo118 [61]
3 years ago
7

​(6x2−2x+16​)+​(4x2+7x−55​)

Mathematics
1 answer:
AysviL [449]3 years ago
8 0
(6 • 2 - 2x + 16) + (4 • 2 + 7x - 55)
(-2x + 16 + 6 • 2) + (7x - 55 + 4 • 2)
(-2x + 16 + 12) + (7x - 55 + 8)
-2x + 28 + 7x - 47
-2x + 7x + 28 - 47
5x + (-19)
5x - 19
So the answer is 5x - 19.

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