Asked by sofia

-2x-y-2z+4x-2y+3z
Answered by skylar
x2 y (-4x2 y3 z3) = -4 x2+2 y3+1 z3 = -4x4 y4 z3
Answered by oobleck
not sure, skylar, why you're multiplying. All I see are + and - signs. I get
2x-3y+z
Answered by Bosnian
- 2 x - y - 2 z + 4 x - 2 y + 3 z =

- 2 x + 4 x - y - 2 y - 2 z + 3 z =

2 x - 3 y + z
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