Add the following expression: X^3+3×2y2-3xy , 3x3+8xy-2x2y2 , 8xy-5x3-2x2y2
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Step-by-step explanation:
X³+3x²y²-3xy +3x³+8xy-2x2y2 + 8xy-5x³-2x²y²
x³+3x³-5x³-3xy+8xy+8xy-2x²y²-2x²y²+3x²y²²
= -x³+13xy-x²y²
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