What is expand (x+3)(3x^2-5x-10) ?

The solution to expand (x+3)(3x^2-5x-10) is 3x^3+4x^2-25x-30

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expand (x+3)(3x^2-5x-10)

expand

(x + 3) (3 x^{2} - 5 x - 10)

3 x^{3} + 4 x^{2} - 25 x - 30

Solution steps

(x + 3) (3 x^{2} - 5 x - 10)

Distribute parentheses

= x \cdot 3 x^{2} + x (- 5 x) + x (- 10) + 3 \cdot 3 x^{2} + 3 (- 5 x) + 3 (- 10)

Simplify

x \cdot 3 x^{2} + x (- 5 x) + x (- 10) + 3 \cdot 3 x^{2} + 3 (- 5 x) + 3 (- 10) : 3 x^{3} + 4 x^{2} - 25 x - 30

= 3 x^{3} + 4 x^{2} - 25 x - 30

- 14 \cdot - 18

\frac{1}{5} - \frac{2}{3}

- x \cdot x^{2}

\frac{1}{1 - cos ( θ )} + \frac{1}{1 + cos ( θ )}

4 x^{4} - 8 x^{3} + 12 x^{2}

What is expand (x+3)(3x^2-5x-10) ?
The solution to expand (x+3)(3x^2-5x-10) is 3x^3+4x^2-25x-30