SOLUTION: Write the ellipse in standard form. 3x2 + 25y2 + 6x − 72 = 0

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Question 973341: Write the ellipse in standard form.
3x2 + 25y2 + 6x − 72 = 0
Answer by lwsshak3(11628) About Me  (Show Source):
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Write the ellipse in standard form.
3x2 + 25y2 + 6x − 72 = 0
***
3x^2+6x+25y^2=72
complete the square:
3(x^2+2x+1)+25y^2=72+3
3(x+1)^2+25(y^2)=75
%28x%2B1%29%5E2%2F25%2B%28y%5E2%29%2F3=1
This is an equation of an ellipse with horizontal major axis and center at (-1, 0)