Question

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

Answer 1

Answer:

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

• 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:

${ \boxed{z _{1} = 5}} \: \: { \sf{and}} \: \: { \boxed{z_{2} = - 1}}$