What is factor 2x^3+x^2-18x-9 ?

The solution to factor 2x^3+x^2-18x-9 is (2x+1)(x+3)(x-3)

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factor 2x^3+x^2-18x-9

factor

2 x^{3} + x^{2} - 18 x - 9

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

Solution steps

2 x^{3} + x^{2} - 18 x - 9

= (2 x^{3} + x^{2}) + (- 18 x - 9)

Factor out

x^{2}

from

2 x^{3} + x^{2} : x^{2} (2 x + 1)

Factor out

- 9

from

- 18 x - 9 : - 9 (2 x + 1)

= x^{2} (2 x + 1) - 9 (2 x + 1)

Factor out common term

2 x + 1

= (2 x + 1) (x^{2} - 9)

Factor

x^{2} - 9 : (x + 3) (x - 3)

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

x (x - 8) = - 15

5 \cdot 17

(- 32)^{\frac{2}{5}}

x^{2} - 4 x - 5

y^{2} + 10 y + 25

What is factor 2x^3+x^2-18x-9 ?
The solution to factor 2x^3+x^2-18x-9 is (2x+1)(x+3)(x-3)