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

The solution to expand (x-4)(3x^2+4x-4) is 3x^3-8x^2-20x+16

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

expand

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

3 x^{3} - 8 x^{2} - 20 x + 16

Solution steps

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

Distribute parentheses

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

Simplify

x \cdot 3 x^{2} + x \cdot 4 x + x (- 4) - 4 \cdot 3 x^{2} - 4 \cdot 4 x - 4 (- 4) : 3 x^{3} - 8 x^{2} - 20 x + 16

= 3 x^{3} - 8 x^{2} - 20 x + 16

(3 y^{2} + y^{3} - 5) + (4 y^{2} - 4 y + 2 y^{3} + 8)

\frac{e ^{x} - e ^{- x}}{e ^{x} + e ^{- x}}

2 \times (- 4)

\frac{3}{4} \div \frac{2}{5}

\frac{8}{9}

What is expand (x-4)(3x^2+4x-4) ?
The solution to expand (x-4)(3x^2+4x-4) is 3x^3-8x^2-20x+16