Answer
No real solution.
Work Step by Step
The equation is in standard form $ax^2+bx+c=0$.
We have $a=1,b=-5$ and $c=7$.
The discriminant is
$b^2-4ac$
$=(-5)^2-4(1)(7)$
$=25-28$
$=-3$
Since $-3<0$. There are no real solutions.
Hence, the equation has no real solution.
