What is expand (x^2-3x-18)(x-1) ?

The solution to expand (x^2-3x-18)(x-1) is x^3-4x^2-15x+18

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expand (x^2-3x-18)(x-1)

expand

(x^{2} - 3 x - 18) (x - 1)

x^{3} - 4 x^{2} - 15 x + 18

Solution steps

(x^{2} - 3 x - 18) (x - 1)

Distribute parentheses

= x^{2} x + x^{2} (- 1) - 3 xx - 3 x (- 1) - 18 x - 18 (- 1)

Simplify

x^{2} x + x^{2} (- 1) - 3 xx - 3 x (- 1) - 18 x - 18 (- 1) : x^{3} - 4 x^{2} - 15 x + 18

= x^{3} - 4 x^{2} - 15 x + 18

6 \times \frac{5}{2}

d^{2} - 15 d + 56

- \frac{- 3}{2}

\frac{3}{5} (2)

\frac{8 x ^{2}}{12 x ^{4}}

What is expand (x^2-3x-18)(x-1) ?
The solution to expand (x^2-3x-18)(x-1) is x^3-4x^2-15x+18