What is factor x^2-x-20 ?

The solution to factor x^2-x-20 is (x+4)(x-5)

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factor x^2-x-20

factor

x^{2} - x - 20

(x + 4) (x - 5)

Solution steps

x^{2} - x - 20

Break the expression into groups

= (x^{2} + 4 x) + (- 5 x - 20)

Factor out

x

from

x^{2} + 4 x : x (x + 4)

Factor out

- 5

from

- 5 x - 20 : - 5 (x + 4)

= x (x + 4) - 5 (x + 4)

Factor out common term

x + 4

= (x + 4) (x - 5)

\frac{x ^{5}}{x ^{- 2}}

- \frac{2}{3} (4)

4 x^{3} a^{5} m^{6} - 2 x^{3} a^{5} m^{7} - 16 a^{6}

\frac{2}{1} + 2

\frac{2}{3} \cdot 12