Question

(98 POINTS) (PLEASE HURRY!)

[1] x^2 - xy - x + y =


[2] 1 - x - x^2 + x^3 =


[3] xy + 1 + x + y =


[4] x^2y + y^2x + x^2x + y^3 =

Answer 1

1. no like terms

2. x^ 3 − x^ 2 − x + 1

3.x y + x + y + 1

4.x^ 3 + x^ 2 y + x y^ 2 + y^ 3

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