What is expand (3x-1)(x^2-3x-8) ?

The solution to expand (3x-1)(x^2-3x-8) is 3x^3-10x^2-21x+8

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expand (3x-1)(x^2-3x-8)

expand

(3 x - 1) (x^{2} - 3 x - 8)

3 x^{3} - 10 x^{2} - 21 x + 8

Solution steps

(3 x - 1) (x^{2} - 3 x - 8)

Distribute parentheses

= 3 x x^{2} + 3 x (- 3 x) + 3 x (- 8) - 1 \cdot x^{2} - 1 \cdot (- 3 x) - 1 \cdot (- 8)

Simplify

3 x x^{2} + 3 x (- 3 x) + 3 x (- 8) - 1 \cdot x^{2} - 1 \cdot (- 3 x) - 1 \cdot (- 8) : 3 x^{3} - 10 x^{2} - 21 x + 8

= 3 x^{3} - 10 x^{2} - 21 x + 8

1050

\frac{11}{11 - 2}

4^{2 n}

(x + 10) (3 x + 8)

+ 3 a^{3} b + 15 a^{2} b^{2} + 18 a b^{3}

What is expand (3x-1)(x^2-3x-8) ?
The solution to expand (3x-1)(x^2-3x-8) is 3x^3-10x^2-21x+8