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Simplifying 18x2 + -7x + 14 = 0 Reorder the terms: 14 + -7x + 18x2 = 0 Solving 14 + -7x + 18x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 18 the coefficient of the squared term: Divide each side by '18'. 0.7777777778 + -0.3888888889x + x2 = 0 Move the constant term to the right: Add '-0.7777777778' to each side of the equation. 0.7777777778 + -0.3888888889x + -0.7777777778 + x2 = 0 + -0.7777777778 Reorder the terms: 0.7777777778 + -0.7777777778 + -0.3888888889x + x2 = 0 + -0.7777777778 Combine like terms: 0.7777777778 + -0.7777777778 = 0.0000000000 0.0000000000 + -0.3888888889x + x2 = 0 + -0.7777777778 -0.3888888889x + x2 = 0 + -0.7777777778 Combine like terms: 0 + -0.7777777778 = -0.7777777778 -0.3888888889x + x2 = -0.7777777778 The x term is -0.3888888889x. Take half its coefficient (-0.1944444445). Square it (0.03780864200) and add it to both sides. Add '0.03780864200' to each side of the equation. -0.3888888889x + 0.03780864200 + x2 = -0.7777777778 + 0.03780864200 Reorder the terms: 0.03780864200 + -0.3888888889x + x2 = -0.7777777778 + 0.03780864200 Combine like terms: -0.7777777778 + 0.03780864200 = -0.7399691358 0.03780864200 + -0.3888888889x + x2 = -0.7399691358 Factor a perfect square on the left side: (x + -0.1944444445)(x + -0.1944444445) = -0.7399691358 Can't calculate square root of the right side. The solution to this equation could not be determined.
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