x^2+x-12=0
D=49
x1,2=(-1+-7)/2=3;-4
x^2 +x -12 =0
D = b^2 -4ac = 1+48 = 49
x1= (-1+7) / 2 = 3
x2 = (-1-7) / 2 = -4.
x^2+x-12=0
D=49
x1,2=(-1+-7)/2=3;-4
x^2 +x -12 =0
D = b^2 -4ac = 1+48 = 49
x1= (-1+7) / 2 = 3
x2 = (-1-7) / 2 = -4.