Question

ache a raiz da equacao .a=1 b= -3 c= -4​

Answer 1

${x}^{2} - 3x - 4 = 0\\ \\ x(x +1 ) - 4(x + 1) = 0 \\ \\ (x + 1)(x - 4) = 0 \\ x + 1 = 0 \\ x - 4 = 0 \\ x = - 1 \\ x = 4$

s = {-1, 4}