Question

Solve by using formula 4x2-2x-1=0

Answer 1

4x2- 2x- 1=0

(2x)2- 2×1×x - (1)2=0

(2x-1)2=0

2x-1=0

2x=1

x=1/2

Answer 2

Here's your answer

Use quadratic formula

-b+-√b^2-4ac/2a

- 2+-√4+16/8

2+-2√5/8

2(1+√5)/8,2(1-√5)/8

1+√5/4,1-√5/4

HOPE I HELPED U