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Simplifying 25x2 + -418x + 1764 = 0 Reorder the terms: 1764 + -418x + 25x2 = 0 Solving 1764 + -418x + 25x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 25 the coefficient of the squared term: Divide each side by '25'. 70.56 + -16.72x + x2 = 0 Move the constant term to the right: Add '-70.56' to each side of the equation. 70.56 + -16.72x + -70.56 + x2 = 0 + -70.56 Reorder the terms: 70.56 + -70.56 + -16.72x + x2 = 0 + -70.56 Combine like terms: 70.56 + -70.56 = 0.00 0.00 + -16.72x + x2 = 0 + -70.56 -16.72x + x2 = 0 + -70.56 Combine like terms: 0 + -70.56 = -70.56 -16.72x + x2 = -70.56 The x term is -16.72x. Take half its coefficient (-8.36). Square it (69.8896) and add it to both sides. Add '69.8896' to each side of the equation. -16.72x + 69.8896 + x2 = -70.56 + 69.8896 Reorder the terms: 69.8896 + -16.72x + x2 = -70.56 + 69.8896 Combine like terms: -70.56 + 69.8896 = -0.6704 69.8896 + -16.72x + x2 = -0.6704 Factor a perfect square on the left side: (x + -8.36)(x + -8.36) = -0.6704 Can't calculate square root of the right side. The solution to this equation could not be determined.
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