What is factor 5x^2-4x-1 ?

The solution to factor 5x^2-4x-1 is (5x+1)(x-1)

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factor 5x^2-4x-1

factor

5 x^{2} - 4 x - 1

(5 x + 1) (x - 1)

Solution steps

5 x^{2} - 4 x - 1

Break the expression into groups

= (5 x^{2} + x) + (- 5 x - 1)

Factor out

x

from

5 x^{2} + x : x (5 x + 1)

Factor out

- 1

from

- 5 x - 1 : - (5 x + 1)

= x (5 x + 1) - (5 x + 1)

Factor out common term

(5 x + 1) : (5 x + 1) (x - 1)

= (5 x + 1) (x - 1)

6 a^{2} + 13 a - 5

\frac{5}{6} - \frac{7}{8}

\frac{1}{3} (4 a + 1) = \frac{1}{2} a

x (6 - 4 x) = 1

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