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

The solution to expand (3x-1)(3x^2+3x+8) is 9x^3+6x^2+21x-8

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

expand

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

9 x^{3} + 6 x^{2} + 21 x - 8

Solution steps

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

Distribute parentheses

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

Simplify

3 x \cdot 3 x^{2} + 3 x \cdot 3 x + 3 x \cdot 8 - 1 \cdot 3 x^{2} - 1 \cdot 3 x - 1 \cdot 8 : 9 x^{3} + 6 x^{2} + 21 x - 8

= 9 x^{3} + 6 x^{2} + 21 x - 8

(x + 3 y) (x - 3 y)

1 + \frac{4}{5}

4 \frac{1}{6}

⌊ 1 ⌋

(- x + 4) (3 x^{2} + 3 x + 5)

What is expand (3x-1)(3x^2+3x+8) ?
The solution to expand (3x-1)(3x^2+3x+8) is 9x^3+6x^2+21x-8