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Popular >

simplify (x+4)*e^{-x}

Solution

simplify

(x + 4) \cdot e^{- x}

Solution

\frac{x + 4}{e ^{x}}

Solution steps

(x + 4) e^{- x}

Apply exponent rule:

a^{- b} = \frac{1}{a ^{b}}

= \frac{1}{e ^{x}} (x + 4)

Multiply fractions:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= \frac{1 \cdot ( x + 4 )}{e ^{x}}

1 \cdot (x + 4) = x + 4

= \frac{x + 4}{e ^{x}}

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Frequently Asked Questions (FAQ)

What is (x+4)*e^{-x} ?
The solution to (x+4)*e^{-x} is (x+4)/(e^x)