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Simplifying x2 + y2 + Dx + Ey + F = 0 Reorder the terms: F + xD + x2 + yE + y2 = 0 Solving F + xD + x2 + yE + y2 = 0 Solving for variable 'F'. Move all terms containing F to the left, all other terms to the right. Add '-1xD' to each side of the equation. F + xD + x2 + yE + -1xD + y2 = 0 + -1xD Reorder the terms: F + xD + -1xD + x2 + yE + y2 = 0 + -1xD Combine like terms: xD + -1xD = 0 F + 0 + x2 + yE + y2 = 0 + -1xD F + x2 + yE + y2 = 0 + -1xD Remove the zero: F + x2 + yE + y2 = -1xD Add '-1x2' to each side of the equation. F + x2 + yE + -1x2 + y2 = -1xD + -1x2 Reorder the terms: F + x2 + -1x2 + yE + y2 = -1xD + -1x2 Combine like terms: x2 + -1x2 = 0 F + 0 + yE + y2 = -1xD + -1x2 F + yE + y2 = -1xD + -1x2 Add '-1yE' to each side of the equation. F + yE + -1yE + y2 = -1xD + -1x2 + -1yE Combine like terms: yE + -1yE = 0 F + 0 + y2 = -1xD + -1x2 + -1yE F + y2 = -1xD + -1x2 + -1yE Add '-1y2' to each side of the equation. F + y2 + -1y2 = -1xD + -1x2 + -1yE + -1y2 Combine like terms: y2 + -1y2 = 0 F + 0 = -1xD + -1x2 + -1yE + -1y2 F = -1xD + -1x2 + -1yE + -1y2 Simplifying F = -1xD + -1x2 + -1yE + -1y2
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