Practice problem
Simplify xy−wz\frac{x}{y}-\frac{w}{z}yx−zw over a common denominator. Assume y,z≠0.y, z \neq 0.y,z=0.
x−wy−z\frac{x-w}{y-z}y−zx−w
xz−wyyz\frac{xz-wy}{yz}yzxz−wy
x−wyz\frac{x-w}{yz}yzx−w
xzwy\frac{xz}{wy}wyxz
Type a concept, like “slope” or “photosynthesis”.
