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Simplifying 67 + -17x + 8x2 = 0 Solving 67 + -17x + 8x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 8 the coefficient of the squared term: Divide each side by '8'. 8.375 + -2.125x + x2 = 0 Move the constant term to the right: Add '-8.375' to each side of the equation. 8.375 + -2.125x + -8.375 + x2 = 0 + -8.375 Reorder the terms: 8.375 + -8.375 + -2.125x + x2 = 0 + -8.375 Combine like terms: 8.375 + -8.375 = 0.000 0.000 + -2.125x + x2 = 0 + -8.375 -2.125x + x2 = 0 + -8.375 Combine like terms: 0 + -8.375 = -8.375 -2.125x + x2 = -8.375 The x term is -2.125x. Take half its coefficient (-1.0625). Square it (1.12890625) and add it to both sides. Add '1.12890625' to each side of the equation. -2.125x + 1.12890625 + x2 = -8.375 + 1.12890625 Reorder the terms: 1.12890625 + -2.125x + x2 = -8.375 + 1.12890625 Combine like terms: -8.375 + 1.12890625 = -7.24609375 1.12890625 + -2.125x + x2 = -7.24609375 Factor a perfect square on the left side: (x + -1.0625)(x + -1.0625) = -7.24609375 Can't calculate square root of the right side. The solution to this equation could not be determined.
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