Mathematics, 04.12.2019 23:31, cmarton30140

Simplify: (7x2 − 8x − 4) + (−2x2 + 3x + 5) + (5x2 − 10x − 8)

a 10x2 + 15x − 7
b 10x2 + 5x − 7
c 10x2 − 15x − 7
d 10x2 − 15x − 9

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Simplify: (7x2 − 8x − 4) + (−2x2 + 3x + 5) + (5x2 − 10x − 8)

a 10x2 + 15x − 7
b...