3x ²+2(x+2)-3x(2x+1)
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Answer: minus 3 x square minus x + 4 ..........
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3x ²+2(x+2)-3x(2x+1)
3x² + 2x + 4 - 6x² + (-3x)
3x² - 6x² + 2x - 3x + 4
-3x² - x + 4
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