What is expand A(e^{-x}x-2e^{-x}) ?

The solution to expand A(e^{-x}x-2e^{-x}) is Ae^{-x}x-2Ae^{-x}

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expand A(e^{-x}x-2e^{-x})

expand

A (e^{- x} x - 2 e^{- x})

A e^{- x} x - 2 A e^{- x}

Solution steps

A (e^{- x} x - 2 e^{- x})

Apply the distributive law:

a (b - c) = ab - a c

a = A, b = e^{- x} x, c = 2 e^{- x}

= A e^{- x} x - A \cdot 2 e^{- x}

= A e^{- x} x - 2 A e^{- x}

(x + y) tan (x y)

a (b x cos (2 x) + c x sin (2 x))

\frac{0.99558 ( z ^{2} - 1.646 z + 6789 )}{z ( z - 1 )}

(\frac{x ^{3}}{2} - \frac{1}{2 x ^{3}})^{2}

(4 + z) (11 + z)

What is expand A(e^{-x}x-2e^{-x}) ?
The solution to expand A(e^{-x}x-2e^{-x}) is Ae^{-x}x-2Ae^{-x}