What is expand (9x-13x^3+12-15x^2)left(-2x^3) ?

The solution to expand (9x-13x^3+12-15x^2)left(-2x^3) is -18elx^4ft+26elx^6ft-24elx^3ft+30elx^5ft

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expand (9x-13x^3+12-15x^2)left(-2x^3)

expand

(9 x - 13 x^{3} + 12 - 15 x^{2}) l e f t (- 2 x^{3})

- 18 e l x^{4} f t + 26 e l x^{6} f t - 24 e l x^{3} f t + 30 e l x^{5} f t

Solution steps

(9 x - 13 x^{3} + 12 - 15 x^{2}) l e f t (- 2 x^{3})

= e l f t (9 x - 13 x^{3} + 12 - 15 x^{2}) (- 2 x^{3})

Distribute parentheses

= l e f t (- 2 x^{3}) \cdot 9 x + l e f t (- 2 x^{3}) (- 13 x^{3}) + l e f t (- 2 x^{3}) \cdot 12 + l e f t (- 2 x^{3}) (- 15 x^{2})

Apply minus-plus rules

+ (- a) = - a

= 9 e l x f t (- 2 x^{3}) - 13 e l x^{3} f t (- 2 x^{3}) + 12 e l f t (- 2 x^{3}) - 15 e l x^{2} f t (- 2 x^{3})

Simplify

9 e l x f t (- 2 x^{3}) - 13 e l x^{3} f t (- 2 x^{3}) + 12 e l f t (- 2 x^{3}) - 15 e l x^{2} f t (- 2 x^{3}) : - 18 e l x^{4} f t + 26 e l x^{6} f t - 24 e l x^{3} f t + 30 e l x^{5} f t

= - 18 e l x^{4} f t + 26 e l x^{6} f t - 24 e l x^{3} f t + 30 e l x^{5} f t

(3 - \frac{x}{2})^{8}

x^{\frac{3}{2}} (4 - 4 x)

0 \cdot (1 - a)^{2}

\frac{d}{d t} ((x (t, s)) (s + t))

What is expand (9x-13x^3+12-15x^2)left(-2x^3) ?
The solution to expand (9x-13x^3+12-15x^2)left(-2x^3) is -18elx^4ft+26elx^6ft-24elx^3ft+30elx^5ft