Question

Calcular As Raizes das eQuaçoes Abaixo:

x2 -3x - 4 =0

Answer 1

$x^2-3x-4=0 (3+ \sqrt{9+16})/2 =\ \textgreater \ (3+5)/2 =\ \textgreater \ 4 (3- \sqrt{9+16})/2 =\ \textgreater \ (3-5)/2 =\ \textgreater \ -1$