Question

simplify

4/a-a/4

A. 16-a^2/4a
B. 4-a/4a
C. 4-a/a
D. -1

Answer 1

4/a - a/4
= (16 - a²)/(a-4)
= (4-a)(4+a) / (a-4)
= - (4+a)
= a-4