# Thread: Find all real solutions to the equation. Question 2

1. ## Find all real solutions to the equation. Question 2

2. Originally Posted by tmac11522
Hint: this is quadratic in $\sqrt[4]{x}$. to see this, let $y = \sqrt[4]{x}$, then we obtain

$y^2 - 3y - 40 = 0$

now solve this quadratic for $y$, and then you can find $x$

as always, check your solutions when finished