Question

Calcule usando a fórmula de Bhaskara
X^2+3x-10=0

Answer 1

delta:3²-4.1.(-10)=49
x1=$\frac{-3+7}{2.1}$ =2
x2=$\frac{-3-7}{2.1}$ =-5
s={2,-5}

Answer 2

x²+3x-10=0

delta= 3²-4.1.(-10)
delta= 9+40
delta= 49

x= -3±√49/2.1

x= -3±7/2

x= -3+7/2= 4/2= 2

x= -3-7/2= -10/2= -5

s={ 2,-5 }