Enable text based alternatives for graph display and drawing entry

Try another version of this question

Write the equation of the ellipse `9 x^2 + 36 y^2 -18 x -216 y + 9 = 0` in standard form

`(x-h)^2/a^2 + (y-k)^2/b^2 = 1`,
where:
h =
k =
a =
b =

Get help: