What is expand (3x+1)(x^2+4x-8) ?

The solution to expand (3x+1)(x^2+4x-8) is 3x^3+13x^2-20x-8

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expand (3x+1)(x^2+4x-8)

expand

(3 x + 1) (x^{2} + 4 x - 8)

3 x^{3} + 13 x^{2} - 20 x - 8

Solution steps

(3 x + 1) (x^{2} + 4 x - 8)

Distribute parentheses

= 3 x x^{2} + 3 x \cdot 4 x + 3 x (- 8) + 1 \cdot x^{2} + 1 \cdot 4 x + 1 \cdot (- 8)

Simplify

3 x x^{2} + 3 x \cdot 4 x + 3 x (- 8) + 1 \cdot x^{2} + 1 \cdot 4 x + 1 \cdot (- 8) : 3 x^{3} + 13 x^{2} - 20 x - 8

= 3 x^{3} + 13 x^{2} - 20 x - 8

(1 - 8 i) + (8 + 6 i)

(- 3 a^{2} + 2 a - 5) - (- 2 a^{2} + a + 6)

2 x + 5 x

\frac{4}{9} + \frac{1}{3}

(4 x - 6)^{2}

What is expand (3x+1)(x^2+4x-8) ?
The solution to expand (3x+1)(x^2+4x-8) is 3x^3+13x^2-20x-8