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Popular >

simplify 3x^3e^{-x}

Solution

simplify

3 x^{3} e^{- x}

Solution

\frac{3 x ^{3}}{e ^{x}}

Solution steps

3 x^{3} e^{- x}

Apply exponent rule:

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

= 3 \cdot \frac{1}{e ^{x}} x^{3}

Multiply fractions:

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

= \frac{1 \cdot 3 x ^{3}}{e ^{x}}

Multiply the numbers:

1 \cdot 3 = 3

= \frac{3 x ^{3}}{e ^{x}}

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Frequently Asked Questions (FAQ)

What is 3x^3e^{-x} ?
The solution to 3x^3e^{-x} is (3x^3)/(e^x)