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

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

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

expand

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

2 e^{- x} x + 2 e^{- x}

Solution steps

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

Apply the distributive law:

a (b - c) = ab - a c

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

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

Apply minus-plus rules

- (- a) = a

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

sec (0)

6 (\frac{5 m}{6} - 5 = 5 (6 - 5 m))

(1 + x^{2}) d y - (x y) d x

\frac{d}{d x} ((z) (sin (x y z) - x - 2 y - 3 z))

(t^{2} - x^{2}) d x - (t x) d t

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