What is factor x^3-8x^2-9x+72 ?

The solution to factor x^3-8x^2-9x+72 is (x-8)(x+3)(x-3)

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factor x^3-8x^2-9x+72

factor

x^{3} - 8 x^{2} - 9 x + 72

(x - 8) (x + 3) (x - 3)

Solution steps

x^{3} - 8 x^{2} - 9 x + 72

= (x^{3} - 8 x^{2}) + (- 9 x + 72)

Factor out

x^{2}

from

x^{3} - 8 x^{2} : x^{2} (x - 8)

Factor out

- 9

from

- 9 x + 72 : - 9 (x - 8)

= x^{2} (x - 8) - 9 (x - 8)

Factor out common term

x - 8

= (x - 8) (x^{2} - 9)

Factor

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

= (x - 8) (x + 3) (x - 3)

5 (a + 5 b) - 4 a + b

(2 x^{2} y^{3} + 3 x^{4})^{2}

(- 5 x^{2} - 9 x - 5) - (4 x^{2} - 5 x + 3)

\frac{1}{1 + 2 i} + \frac{1}{1 + 6 i}

\frac{360}{361}

What is factor x^3-8x^2-9x+72 ?
The solution to factor x^3-8x^2-9x+72 is (x-8)(x+3)(x-3)