What is expand (3x-1)(3x^2-5x-2) ?

The solution to expand (3x-1)(3x^2-5x-2) is 9x^3-18x^2-x+2

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expand (3x-1)(3x^2-5x-2)

expand

(3 x - 1) (3 x^{2} - 5 x - 2)

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

Solution steps

(3 x - 1) (3 x^{2} - 5 x - 2)

Distribute parentheses

= 3 x \cdot 3 x^{2} + 3 x (- 5 x) + 3 x (- 2) - 1 \cdot 3 x^{2} - 1 \cdot (- 5 x) - 1 \cdot (- 2)

Simplify

3 x \cdot 3 x^{2} + 3 x (- 5 x) + 3 x (- 2) - 1 \cdot 3 x^{2} - 1 \cdot (- 5 x) - 1 \cdot (- 2) : 9 x^{3} - 18 x^{2} - x + 2

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

(- 3 - i) (6 - i)

x^{2} \times 3 x

3 x^{2} - 26 x + 40

6 \times \frac{1}{6}

What is expand (3x-1)(3x^2-5x-2) ?
The solution to expand (3x-1)(3x^2-5x-2) is 9x^3-18x^2-x+2