Question

Solve the equation z4−16=0.

Answer 1

z = 4

Explanation:

z4−16=0

4z - 16 = 0 [rewrite for clarity]

4z - 16 + 16 = 0 + 16 [Add 16 to both sides]

4z = 16

(4z/4) = (16/4) [Divide both sides by 16]

z = 4