Question

x⁴-6x-16=0 fórmula de Bhaskara

Answer 1

∆= (-6)² -4.1.(-16)=36 +64= 100=>√∆=10
x =-b±√∆/2a
x = 6±10/2
x' = 6+10/2 = 8 ==> x=√8 = ±2√2 ✓
x" = 6-10/2= -2 ==> x=√-2 = { }