3)What should be subtracted from x³+2x²-3x+2 to get -11x³+6x²-6x+9? *
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Step-by-step explanation:
x³+2x²-3x+2-(-11x³+6x²-6x+9)
x³+2x²-3x+2+11x³-6x²+6x-9
14x^3-4x^2+3x-7
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