2 Evaluate x3 2X2y xy2 y3 for X2 and Y 1Solutionx32x2yxy2

2. Evaluate x³ - 2X²y + xy² + y³ for X=2 and Y= -1

x³-2x²y+xy²+y³, x=2, y=-1

(2)³-2(2)²(-1)+2(-1)²+(-1)³

8-2(4)(-1) +2(1) -1

8+8+2-1

17

2. Evaluate x3 - 2X2y + xy2 + y3 for X=2 and Y= -1Solutionx3-2x2y+xy2+y3, x=2, y=-1 (2)3-2(2)2(-1)+2(-1)2+(-1)3 8-2(4)(-1) +2(1) -1 8+8+2-1 17

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