Question

ТР
X 2 + 4x+1=0
solve by
quadratic
formula​

Answer 1

Step-by-step explanation:

x=(-b±√b^2-4ac)/2a

a=1

b=4

c=1

Put in formula

x=(-4±√(-4)^2-4*1*1)/2*1

x=(-4±√16-4)/2

x=(-4±√12)/2