What is expand (2x-9)(3x^2+3x-1) ?

The solution to expand (2x-9)(3x^2+3x-1) is 6x^3-21x^2-29x+9

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expand (2x-9)(3x^2+3x-1)

expand

(2 x - 9) (3 x^{2} + 3 x - 1)

6 x^{3} - 21 x^{2} - 29 x + 9

Solution steps

(2 x - 9) (3 x^{2} + 3 x - 1)

Distribute parentheses

= 2 x \cdot 3 x^{2} + 2 x \cdot 3 x + 2 x (- 1) - 9 \cdot 3 x^{2} - 9 \cdot 3 x - 9 (- 1)

Simplify

2 x \cdot 3 x^{2} + 2 x \cdot 3 x + 2 x (- 1) - 9 \cdot 3 x^{2} - 9 \cdot 3 x - 9 (- 1) : 6 x^{3} - 21 x^{2} - 29 x + 9

= 6 x^{3} - 21 x^{2} - 29 x + 9

\frac{1}{tan ( x )} + tan (x)

(4 + i) (2 - 5 i)

\frac{x - y}{12} + \frac{2 x + y}{15} + \frac{y - 4 x}{30}

(2 + n)^{2}

What is expand (2x-9)(3x^2+3x-1) ?
The solution to expand (2x-9)(3x^2+3x-1) is 6x^3-21x^2-29x+9