segunda tarea

1. 9x/-18x^3= -2x^2

2. 2x^2/3x^5=-1.5x^3

3. 3x/3x^2-6xy-12x^2=x-2y-4x

4. -2X/-4X^4+6X^4+32X=2X^3-3X^3-16

5. 3x^3/17x^4=5.666667x

6. 12xy/628x^2zy=52.3333xz

7. 8z/256z^6=32z^4

8. 5yz/625x^3y^2z=125x^3y
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