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Simplifying x2 + -6x + 121 = 0 Reorder the terms: 121 + -6x + x2 = 0 Solving 121 + -6x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-121' to each side of the equation. 121 + -6x + -121 + x2 = 0 + -121 Reorder the terms: 121 + -121 + -6x + x2 = 0 + -121 Combine like terms: 121 + -121 = 0 0 + -6x + x2 = 0 + -121 -6x + x2 = 0 + -121 Combine like terms: 0 + -121 = -121 -6x + x2 = -121 The x term is -6x. Take half its coefficient (-3). Square it (9) and add it to both sides. Add '9' to each side of the equation. -6x + 9 + x2 = -121 + 9 Reorder the terms: 9 + -6x + x2 = -121 + 9 Combine like terms: -121 + 9 = -112 9 + -6x + x2 = -112 Factor a perfect square on the left side: (x + -3)(x + -3) = -112 Can't calculate square root of the right side. The solution to this equation could not be determined.
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