Subtract 2x3 - x2 + 4x + 6 from x3 + 5x2 -
4x + 6
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Answer:
-x^3 + 6x^2 - 8x
Step-by-step explanation:
x^3 + 5x^2 - 4x + 6 - (2x^3 - x^2 + 4x + 6)
= x^3 + 5x^2 - 4x + 6 - 2x^3 + x^2 - 4x - 6
= x^3 - 2x^3 + 5x^2 + x^2 - 4x - 4x + 6 - 6
= -x^3 + 6x^2 - 8x
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