What is expand (-x+2)(x^2+9x-2) ?

The solution to expand (-x+2)(x^2+9x-2) is -x^3-7x^2+20x-4

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expand (-x+2)(x^2+9x-2)

expand

(- x + 2) (x^{2} + 9 x - 2)

- x^{3} - 7 x^{2} + 20 x - 4

Solution steps

(- x + 2) (x^{2} + 9 x - 2)

Distribute parentheses

= - x x^{2} - x \cdot 9 x - x (- 2) + 2 x^{2} + 2 \cdot 9 x + 2 (- 2)

Simplify

- x x^{2} - x \cdot 9 x - x (- 2) + 2 x^{2} + 2 \cdot 9 x + 2 (- 2) : - x^{3} - 7 x^{2} + 20 x - 4

= - x^{3} - 7 x^{2} + 20 x - 4

\frac{3 a ^{2} - 12 b}{3 a}

(4 n + 5)^{2} - 9

\frac{14}{- 2}

lo g_{0.3} (\frac{1}{9})

- 4309582 \cdot 2944034

What is expand (-x+2)(x^2+9x-2) ?
The solution to expand (-x+2)(x^2+9x-2) is -x^3-7x^2+20x-4