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Write the equation of the ellipse `9 x^2 + 4 y^2 -90 x + 40 y + 289 = 0` in standard form
`(x-h)^2/a^2 + (y-k)^2/b^2 = 1`,
where:
h =
k =
a =
b =
h =
k =
a =
b =
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