2x² + 2x -9 =
3x² + 4x -5 =
4x² + 6x -2 =
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A) x+2x-x+3x-3x= b) 3x-3x+x-3x=c) 2x²+5x²-4x²-x²=d) 6x³-6x³+13x3-2x3=f) 5x+3x²-3x²+3=g) 7x³+3x+7x-3x³-x³=h) 10x4-3x⁴+3x+x4-x=I) 6x-3x+2x²+3x+x²=j)
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