Question

$x ^{4} + 3x ^{2} = 0$
​

Answer 1

Explicación paso a paso:

x⁴ + 3x² =0

x²(x²+3)

x²(x+3½i)(x-3½i) , i=(-1)½

x= 0

x= 0

x= +3½i

x= - 3½i