What is factor x^2-x-90 ?

The solution to factor x^2-x-90 is (x+9)(x-10)

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factor x^2-x-90

factor

x^{2} - x - 90

(x + 9) (x - 10)

Solution steps

x^{2} - x - 90

Break the expression into groups

= (x^{2} + 9 x) + (- 10 x - 90)

Factor out

x

from

x^{2} + 9 x : x (x + 9)

Factor out

- 10

from

- 10 x - 90 : - 10 (x + 9)

= x (x + 9) - 10 (x + 9)

Factor out common term

x + 9

= (x + 9) (x - 10)

\frac{x}{4} - \frac{1}{10} \leq \frac{x}{5} + 1

125 r^{2} - 20

3 (1 - 2 x) = 6 x + 1

\frac{- 5 jk}{35 j ^{2} k ^{2}}

(7) (25) \cdot (1 - e^{- \frac{1}{1}})