Question

PLS HELP ASAP
x^2 - 4x-1=0
Solve using formula

Answer 1

2x ( x - 2x) = 1

2x= 1

x = 0.5

x-2x = 1

-x = 1

x = -1

Answer 2

X1=2-Square root 5 x2=2+ Square root 5