What is expand 2pi(x-1)(8x-x^2-12) ?

The solution to expand 2pi(x-1)(8x-x^2-12) is -2pix^3+18pix^2-40pix+24pi

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expand 2pi(x-1)(8x-x^2-12)

expand

2 π (x - 1) (8 x - x^{2} - 12)

- 2 π x^{3} + 18 π x^{2} - 40 π x + 24 π

Solution steps

2 π (x - 1) (8 x - x^{2} - 12)

Expand

(x - 1) (8 x - x^{2} - 12) : - x^{3} + 9 x^{2} - 20 x + 12

= 2 π (- x^{3} + 9 x^{2} - 20 x + 12)

Expand

2 π (- x^{3} + 9 x^{2} - 20 x + 12) : - 2 π x^{3} + 18 π x^{2} - 40 π x + 24 π

= - 2 π x^{3} + 18 π x^{2} - 40 π x + 24 π

\frac{\partial}{\partial y} ((x) (x^{2} + y^{2}))

2.6666 (1 + 0.25 = 0)

(e^{3 t} - 1)^{3}

(8.35, - 18.93) x (- 18.93, 7.6) x (2.48, - 8.35)

\frac{( x ^{3} + x ^{2} + 21 )}{x ( 2 x - 5 ) ^{3} ( x ^{2} + 2 x + 5 ) ^{2}}

What is expand 2pi(x-1)(8x-x^2-12) ?
The solution to expand 2pi(x-1)(8x-x^2-12) is -2pix^3+18pix^2-40pix+24pi