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

1 answer:

3 0

(7x² − 8x − 4) + (-2x² + 3x + 5) + (5x²<span> - 10x - 8) =
</span>7x² − 8x − 4 - 2x² + 3x + 5 + 5x² - 10x - 8 =
10x² -15x -7

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