What is factor x^2-x-1 ?

The solution to factor x^2-x-1 is (x-(1+sqrt(5))/2)(x-(1-sqrt(5))/2)

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factor x^2-x-1

factor

x^{2} - x - 1

(x - \frac{1 + 5}{2}) (x - \frac{1 - 5}{2})

Solution steps

x^{2} - x - 1

Solve

x^{2} - x - 1 = 0 : x = \frac{1 + 5}{2}, x = \frac{1 - 5}{2}

Polynom can therefore be factored into

= (x - (\frac{1 + 5}{2})) (x - (\frac{1 - 5}{2}))

Refine

= (x - \frac{1 + 5}{2}) (x - \frac{1 - 5}{2})

\frac{- 8}{- 4}

\frac{x ^{- 4}}{x ^{- 8}}

x^{2} - 12 x + 63 = 0

x^{2} + x = - x - 1

9 x^{2} - 9 x - 28

What is factor x^2-x-1 ?
The solution to factor x^2-x-1 is (x-(1+sqrt(5))/2)(x-(1-sqrt(5))/2)