Try another version of this question Get help: Box 1: Enter your answer as an equation. Example: y=3x^2+1, 2+x+y=3
Write the equation of the ellipse that has a center at `(-1, 3)`, a focus at `(-3, 3)`, and a vertex at `(-6, 3)`.
Be sure your variables match those in the question `(x+1)^2/25 + (y-3)^2/21 = 1`