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Simplifying x2 + -28x + 197 = 0 Reorder the terms: 197 + -28x + x2 = 0 Solving 197 + -28x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-197' to each side of the equation. 197 + -28x + -197 + x2 = 0 + -197 Reorder the terms: 197 + -197 + -28x + x2 = 0 + -197 Combine like terms: 197 + -197 = 0 0 + -28x + x2 = 0 + -197 -28x + x2 = 0 + -197 Combine like terms: 0 + -197 = -197 -28x + x2 = -197 The x term is -28x. Take half its coefficient (-14). Square it (196) and add it to both sides. Add '196' to each side of the equation. -28x + 196 + x2 = -197 + 196 Reorder the terms: 196 + -28x + x2 = -197 + 196 Combine like terms: -197 + 196 = -1 196 + -28x + x2 = -1 Factor a perfect square on the left side: (x + -14)(x + -14) = -1 Can't calculate square root of the right side. The solution to this equation could not be determined.
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