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Simplifying 17x2 + -7x + 18 = 2 Reorder the terms: 18 + -7x + 17x2 = 2 Solving 18 + -7x + 17x2 = 2 Solving for variable 'x'. Reorder the terms: 18 + -2 + -7x + 17x2 = 2 + -2 Combine like terms: 18 + -2 = 16 16 + -7x + 17x2 = 2 + -2 Combine like terms: 2 + -2 = 0 16 + -7x + 17x2 = 0 Begin completing the square. Divide all terms by 17 the coefficient of the squared term: Divide each side by '17'. 0.9411764706 + -0.4117647059x + x2 = 0 Move the constant term to the right: Add '-0.9411764706' to each side of the equation. 0.9411764706 + -0.4117647059x + -0.9411764706 + x2 = 0 + -0.9411764706 Reorder the terms: 0.9411764706 + -0.9411764706 + -0.4117647059x + x2 = 0 + -0.9411764706 Combine like terms: 0.9411764706 + -0.9411764706 = 0.0000000000 0.0000000000 + -0.4117647059x + x2 = 0 + -0.9411764706 -0.4117647059x + x2 = 0 + -0.9411764706 Combine like terms: 0 + -0.9411764706 = -0.9411764706 -0.4117647059x + x2 = -0.9411764706 The x term is -0.4117647059x. Take half its coefficient (-0.205882353). Square it (0.04238754328) and add it to both sides. Add '0.04238754328' to each side of the equation. -0.4117647059x + 0.04238754328 + x2 = -0.9411764706 + 0.04238754328 Reorder the terms: 0.04238754328 + -0.4117647059x + x2 = -0.9411764706 + 0.04238754328 Combine like terms: -0.9411764706 + 0.04238754328 = -0.89878892732 0.04238754328 + -0.4117647059x + x2 = -0.89878892732 Factor a perfect square on the left side: (x + -0.205882353)(x + -0.205882353) = -0.89878892732 Can't calculate square root of the right side. The solution to this equation could not be determined.
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