C2W2 Practice Quiz - Q1

The question states:
Given that f(x,y)=x^2y+3x^2 , find its derivative with respect to x

In coursera, this question has a “preview will appear here”, and when I type anything in the answer box, the preview shows “Error parsing submission”.

I believe the answer is 2xy + 6x. Is this not correct? Is the above error causing an issue or is my answer wrong?

Disregard, I see the formatting issue.