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

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

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

expand

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

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

Solution steps

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

Distribute parentheses

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

Simplify

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

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

- 2 x - 3 x

lo g_{\frac{1}{5}} (1)

(- x) (- x)

\frac{2}{28}

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