Question

solve bh quadratic formula z^2+4=0​

Answer 1

${z}^{2} + 4 = 0 \\ {z}^{2} = - 4 \\ z = \sqrt{ - 4} \\ z = \sqrt{4} \times \sqrt{ - 1} \\ z = 2i \: \: \: ( \sqrt{ - 1} = iota(i))$

if it helped you mark it as brainliest answer and follow me