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Rudy Molina
Mathematics
23 March, 20:47
3x^2 + 6 - 2x + 5x - 4x^2 + 9
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Elaina Richard
23 March, 21:17
0
3x * 3x = 9x
9x + 6 - 2x + 5x - 4x^2 + 9
9x + 6 - 7x - 4x * 4x + 9
9x + 6 - 7x - 16x + 9
9x + - 7x = 2x + 6 - 16x + 9
2x + 6 - 16x + 9
2x + (-3) - 16x
-14x + (-3) is the expression?
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