1.

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

Answer»

ANSWER:

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



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