What is expand (7x^9+5x^5+85x)left(x^4-4) ?

The solution to expand (7x^9+5x^5+85x)left(x^4-4) is 7elx^{13}ft-23elx^9ft+65elx^5ft-340elxft

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expand (7x^9+5x^5+85x)left(x^4-4)

expand

(7 x^{9} + 5 x^{5} + 85 x) l e f t (x^{4} - 4)

7 e l x^{13} f t - 23 e l x^{9} f t + 65 e l x^{5} f t - 340 e l x f t

Solution steps

(7 x^{9} + 5 x^{5} + 85 x) l e f t (x^{4} - 4)

= e l f t (7 x^{9} + 5 x^{5} + 85 x) (x^{4} - 4)

Expand

(7 x^{9} + 5 x^{5} + 85 x) (x^{4} - 4) : 7 x^{13} - 23 x^{9} + 65 x^{5} - 340 x

= l e f t (7 x^{13} - 23 x^{9} + 65 x^{5} - 340 x)

Expand

l e f t (7 x^{13} - 23 x^{9} + 65 x^{5} - 340 x) : 7 e l x^{13} f t - 23 e l x^{9} f t + 65 e l x^{5} f t - 340 e l x f t

= 7 e l x^{13} f t - 23 e l x^{9} f t + 65 e l x^{5} f t - 340 e l x f t

8 δ (x - 4 π) + 2 H (x) - 2 H (x - 14)

(2 - x - 2)^{2}

(1 - c e^{t})^{2}

(1 + x) e^{(1 - x)}

\frac{3}{4} x^{3}

What is expand (7x^9+5x^5+85x)left(x^4-4) ?
The solution to expand (7x^9+5x^5+85x)left(x^4-4) is 7elx^{13}ft-23elx^9ft+65elx^5ft-340elxft