Question

What is the value of x that will make the sentence below true

Answer 1

You can square root both sides like so:

`√(81) = \sqrt{ {x}^(4) }`
which will due to exponent property, divides the 4 by 2, getting you

`9 = {x}^(2)`
. This can then be easily solved by square rooting both sides again, which will result in x=3