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Simplifying 4x2 + -72x + 325 = 0 Reorder the terms: 325 + -72x + 4x2 = 0 Solving 325 + -72x + 4x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 81.25 + -18x + x2 = 0 Move the constant term to the right: Add '-81.25' to each side of the equation. 81.25 + -18x + -81.25 + x2 = 0 + -81.25 Reorder the terms: 81.25 + -81.25 + -18x + x2 = 0 + -81.25 Combine like terms: 81.25 + -81.25 = 0.00 0.00 + -18x + x2 = 0 + -81.25 -18x + x2 = 0 + -81.25 Combine like terms: 0 + -81.25 = -81.25 -18x + x2 = -81.25 The x term is -18x. Take half its coefficient (-9). Square it (81) and add it to both sides. Add '81' to each side of the equation. -18x + 81 + x2 = -81.25 + 81 Reorder the terms: 81 + -18x + x2 = -81.25 + 81 Combine like terms: -81.25 + 81 = -0.25 81 + -18x + x2 = -0.25 Factor a perfect square on the left side: (x + -9)(x + -9) = -0.25 Can't calculate square root of the right side. The solution to this equation could not be determined.
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