Question

X elevado a 4 + 16 x = 0

Answer 1

x^4+16x=0

x^2.(x^2+16)=0

x^2=0

x=0

x^2=16

x=√-16

x=4i

x=-4i

s={0,-4i,4i}

espero ter ajudado!

boa tarde!