Here you go! Hopefully it was correct as i used an app called Cymath.Please mark me as Brainliest!
<span><span>x = x^2 - 30
or
x^2 - x - 30 = 0
Factors to
(x-6)(x+5) = 0
x = +6 is the positive number</span></span>
3 + (w² + x²) = 32 is the correct answer