Question

como calcular x^2+5x+6

Answer 1

(-5+-✓(5^2-4*1*6))/2*1 = -5+-1/2
X1= -4/2= -2
X2= -6/2 = -3

Answer 2

Utilize bascara
Delta = b^2 - 4 a c
Delta = 25 - 4 * 1 *6
Delta = 1
X = - B +-raiz de delta /2a
X1 = - 5 +1 /2 = -2
X2 = - 5 - 1/2 = - 3