Question

Qual a fórmula de bháskara de x²+3x+2=0 ?

Answer 1

Fórmula: (raiz de delta)=b^2 - 4ac

Answer 2

a= 1 b=3 c=2
delta= B^2- 4AC
delta= 3^2-4x1x2
delta=9-8
delta=1

x= -b +ou- raiz de delta / 2a
x'= -3+1/2= -1
x''= -3-1/2= -2