What is expand (z^2+cos(z))(2z-sin(z)) ?

The solution to expand (z^2+cos(z))(2z-sin(z)) is 2z^3-z^2sin(z)+2zcos(z)-cos(z)sin(z)

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expand (z^2+cos(z))(2z-sin(z))

expand

(z^{2} + cos (z)) (2 z - sin (z))

2 z^{3} - z^{2} sin (z) + 2 z cos (z) - cos (z) sin (z)

Solution steps

(z^{2} + cos (z)) (2 z - sin (z))

Apply FOIL method

(z^{2} + cos (z)) (2 z - sin (z)) : 2 z^{3} - z^{2} sin (z) + 2 z cos (z) - cos (z) sin (z)

= 2 z^{3} - z^{2} sin (z) + 2 z cos (z) - cos (z) sin (z)

\frac{7 x}{( x + 6 ) ^{2}}

2 (1 + \frac{2 k}{n})

(2 y - 3) d y

(a c + \frac{3}{5}) (a c - \frac{3}{5})

\frac{1}{( s + 1 ) ^{3} ( s + 4 )}

What is expand (z^2+cos(z))(2z-sin(z)) ?
The solution to expand (z^2+cos(z))(2z-sin(z)) is 2z^3-z^2sin(z)+2zcos(z)-cos(z)sin(z)