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Popular >

factor 3x^3-12x^2-9x

Solution

factor

3 x^{3} - 12 x^{2} - 9 x

Solution

3 x (x^{2} - 4 x - 3)

Solution steps

3 x^{3} - 12 x^{2} - 9 x

Apply exponent rule:

a^{b + c} = a^{b} a^{c}

x^{2} = xx

= 3 x^{2} x - 12 xx - 9 x

Rewrite

12

as

3 \cdot 4

Rewrite

9

as

3 \cdot 3

= 3 x^{2} x - 3 \cdot 4 xx - 3 \cdot 3 x

Factor out common term

3 x

= 3 x (x^{2} - 4 x - 3)

Popular Examples

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16 + 2 \cdot 0.1

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(x^{- 5})^{3}

5 \frac{3}{8} - 3 \frac{3}{4}

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- 1 \frac{2}{3} - (- \frac{5}{6})

simplify (5y)^{3/4}simplify

(5 y)^{\frac{3}{4}}

Frequently Asked Questions (FAQ)

What is factor 3x^3-12x^2-9x ?
The solution to factor 3x^3-12x^2-9x is 3x(x^2-4x-3)