Practice problem
Simplify: 9−i−7i\frac{9-i}{-7i}−7i9−i
−1+9i7\frac{-1+9i}{7}7−1+9i
−1+9i−7\frac{-1+9i}{-7}−7−1+9i
1+9i7\frac{1+9i}{7}71+9i
1+9i−7\frac{1+9i}{-7}−71+9i
Type a concept, like “slope” or “photosynthesis”.
