5x4e−8x−7x5e−8x=0: Solve for x

I cant figure out how to solve for x
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1 Answer

I read this as 5x⁴e⁻⁸ˣ-7x⁵e⁻⁸ˣ=0.

First, divide through by e⁻⁸ˣ (because this factor cannot be zero):

5x⁴-7x⁵=0=x⁴(5-7x), so x=0 or x=5/7.

by Top Rated User (1.1m points)

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