What is factor r^3-25r^2-9r+225 ?

The solution to factor r^3-25r^2-9r+225 is (r-25)(r+3)(r-3)

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factor r^3-25r^2-9r+225

factor

r^{3} - 25 r^{2} - 9 r + 225

(r - 25) (r + 3) (r - 3)

Solution steps

r^{3} - 25 r^{2} - 9 r + 225

= (r^{3} - 25 r^{2}) + (- 9 r + 225)

Factor out

r^{2}

from

r^{3} - 25 r^{2} : r^{2} (r - 25)

Factor out

- 9

from

- 9 r + 225 : - 9 (r - 25)

= r^{2} (r - 25) - 9 (r - 25)

Factor out common term

r - 25

= (r - 25) (r^{2} - 9)

Factor

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

= (r - 25) (r + 3) (r - 3)

\frac{3 x}{2} + x - 2 = \frac{1}{4} + 2 x

\frac{n + 3}{3 n ^{2} - 10 n + 8} + 3

\frac{1}{2} (10 x - 2) + 3 x = - 25

\frac{6}{x - 1} - \frac{6}{x} \geq 1

- 5 x^{2} y + 10 x y - 15 x y^{2}

What is factor r^3-25r^2-9r+225 ?
The solution to factor r^3-25r^2-9r+225 is (r-25)(r+3)(r-3)