Question

(Z-5)(z+1)=0 HELP! Need soon

Answer 1

`(z - 5)(z + 1) = 0`

• either (z - 5) or (z + 1) is 0

» For (z - 5)

`z - 5 = 0 \\ { \underline{z = 5}}`

» For (z + 1)

`z + 1 = 0 \\ { \underline{z = - 1}}`

Therefore:

`{ \boxed{z _(1) = 5}} \: \: { \sf{and}} \: \: { \boxed{z_(2) = - 1}}`