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Anonymous
4x2 -x -1 :D
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No real roots.
two complex
3x2= 6 6-(4x-2)= 6--8= 6+8 = 14 14+7 = 21
2x2 + (5x-4x)2 + (x-x)2 = 2x2 + x2 + 02 = 2x2 + x2 = 3x2
When they are added together, the sum is a monomial.