What is factor 5x^2-x-18 ?

The solution to factor 5x^2-x-18 is (5x+9)(x-2)

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factor 5x^2-x-18

factor

5 x^{2} - x - 18

(5 x + 9) (x - 2)

Solution steps

5 x^{2} - x - 18

Break the expression into groups

= (5 x^{2} + 9 x) + (- 10 x - 18)

Factor out

x

from

5 x^{2} + 9 x : x (5 x + 9)

Factor out

- 2

from

- 10 x - 18 : - 2 (5 x + 9)

= x (5 x + 9) - 2 (5 x + 9)

Factor out common term

5 x + 9

= (5 x + 9) (x - 2)

(- 1 + i) (- 1 - i)

(- 4 b^{3} + b - 1) + (6 b - 6)

3 x^{2} - 3

1 = \frac{c}{2 0.1 \cdot ( \frac{π ^{2}}{10} )}

2 y^{2} - y - 5 = 0