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Mathematics, 09.10.2019 18:30 samancolby873

If m = 5x2 + 7x - 4 and n = -3x2 - 4x + 5, then m - n equals
2x2 + 3x + 1
2x2 + 11x – 9
8x2 + 3x + 1
8x2 + 11x - 9

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If m = 5x2 + 7x - 4 and n = -3x2 - 4x + 5, then m - n equals
2x2 + 3x + 1
2x2 + 11x – 9
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