Question

Fórmula de Bhaskara: - x^2 - x + 6 = 0

Answer 1

∆=B²-4.A.C
∆=-1²-4.-1.6
∆=1+24
∆=25
√∆=5

X=-B+-√∆/2.A
X=-(-1)+-5/2.-1
X=1+-5/-2
X'=1+5/-2= -3
X''=1-5/-2= -2