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Simplifying 85x2 + -18x + 1 = 0 Reorder the terms: 1 + -18x + 85x2 = 0 Solving 1 + -18x + 85x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 85 the coefficient of the squared term: Divide each side by '85'. 0.01176470588 + -0.2117647059x + x2 = 0 Move the constant term to the right: Add '-0.01176470588' to each side of the equation. 0.01176470588 + -0.2117647059x + -0.01176470588 + x2 = 0 + -0.01176470588 Reorder the terms: 0.01176470588 + -0.01176470588 + -0.2117647059x + x2 = 0 + -0.01176470588 Combine like terms: 0.01176470588 + -0.01176470588 = 0.00000000000 0.00000000000 + -0.2117647059x + x2 = 0 + -0.01176470588 -0.2117647059x + x2 = 0 + -0.01176470588 Combine like terms: 0 + -0.01176470588 = -0.01176470588 -0.2117647059x + x2 = -0.01176470588 The x term is -0.2117647059x. Take half its coefficient (-0.105882353). Square it (0.01121107268) and add it to both sides. Add '0.01121107268' to each side of the equation. -0.2117647059x + 0.01121107268 + x2 = -0.01176470588 + 0.01121107268 Reorder the terms: 0.01121107268 + -0.2117647059x + x2 = -0.01176470588 + 0.01121107268 Combine like terms: -0.01176470588 + 0.01121107268 = -0.0005536332 0.01121107268 + -0.2117647059x + x2 = -0.0005536332 Factor a perfect square on the left side: (x + -0.105882353)(x + -0.105882353) = -0.0005536332 Can't calculate square root of the right side. The solution to this equation could not be determined.
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