What is factor x^2-3x-18 ?

The solution to factor x^2-3x-18 is (x+3)(x-6)

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factor x^2-3x-18

factor

x^{2} - 3 x - 18

(x + 3) (x - 6)

Solution steps

x^{2} - 3 x - 18

Break the expression into groups

= (x^{2} + 3 x) + (- 6 x - 18)

Factor out

x

from

x^{2} + 3 x : x (x + 3)

Factor out

- 6

from

- 6 x - 18 : - 6 (x + 3)

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

Factor out common term

x + 3

= (x + 3) (x - 6)

+ 81 - 100 x^{2}

\frac{x}{5} + \frac{x + 3}{10}

f (x) = e^{- x}

3 (x + 1)^{2} - 12

2 + \frac{5}{8}