tolong nomer 1.c & d

no. 1c
[tex] \frac{ {3x}^{2} + 15y - yz }{xyz} \\ = \frac{x(3x) + y(15 - z)}{xyz} \\ = 3x + 15[/tex]
no. 1d
[tex] \frac{ {6xy}^{2} - 4xy + 8xz }{2xz} \\ = \frac{2x( {3y}^{2} - 2y \ + 4z) }{2xz} \\ = {3y}^{2} - 2y + 4[/tex]