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4x2+9y2-40x+54y+145=0 canonical form

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145 - 40*x + 4*x2 + 9*y2 + 54*y = 0
$$- 40 x + 4 x_{2} + 54 y + 9 y_{2} + 145 = 0$$
-40*x + 4*x2 + 54*y + 9*y2 + 145 = 0