perplexus.info :: Just Math : Evaluate x

Evaluate x (Posted on 2023-02-25)

For what value of x will the equation

x^5-x=111 .
be true?

No Solution Yet Submitted by Ady TZIDON

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Wolfram calculator

| Comment 3 of 4 |

Wolfram calculator solves this as:

x=2.5766641903207894, which is the only real solution.

There are also 4 complex solutions to this, and these are given by:

x(1) = -2.07137 + 1.49626*i

x(2) = 0.783042+2.44633*i

x(3) = 0.783042 - 2.44633*i

x(4)= -2.07137 - 1.49626*i

Edited on March 5, 2023, 7:07 am

Posted by K Sengupta on 2023-02-25 23:02:00

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