Mathematics, 02.08.2021 21:20 jude3412

Combine like terms in the given polynomial. Then, evaluate for x = 4, y = – 2. xy – 2xy + 3x2 y — 4x y2 + 2xy2
3x2 y + 2xy2 – xy; – 56
C - xy – 2xy2 + 3x2y; – 56
Cx? y2 – 2; 62
C
– 2x y2 + 3x2y – xy; – 120

Need explanation please

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Combine like terms in the given polynomial. Then, evaluate for x = 4, y = – 2. xy – 2xy + 3x2 y — 4...