Question

Find the roots of each of the following equations, if they exist, by applying the quadratic formula:
x2 - 4x - 1 = 0​

Answer 1

Answer:

$x {}^{2} - 4x - 1 = 0 \\ = > x {}^{2} - 4x = 1 \\ = > x - 4x = \sqrt{1} \\ = > - 3x = 1 \\ = > x = - \frac{1}{3}$

Answer 2

Answer:

there's some kind of mistake in the question.. please verify