ache a raiz da equacao .a=1 b= -3 c= -4
![Ache A Raiz Da Equacao A1 B 3 C 4 class=](https://pt-static.z-dn.net/files/d3e/39f3c102205a3e507abf13d22f64696a.jpg)
[tex] {x}^{2} - 3x - 4 = 0\\ \\ x(x +1 ) - 4(x + 1) = 0 \\ \\ (x + 1)(x - 4) = 0 \\ x + 1 = 0 \\ x - 4 = 0 \\ x = - 1 \\ x = 4[/tex]
s = {-1, 4}