Question

resolva a equação de segundo grau: x²+12x-12=0

Answer 1

x²+12x-12=0

∆=12² -4.1.(-12)=192 => √∆=√64.3= 8√3

x' = -12+8√3/2 = -6+4√3 ✓

x" = -12-8√3/2 = -6+4√3 ✓