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Simplifying x2 + 22x + 240 = 0 Reorder the terms: 240 + 22x + x2 = 0 Solving 240 + 22x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-240' to each side of the equation. 240 + 22x + -240 + x2 = 0 + -240 Reorder the terms: 240 + -240 + 22x + x2 = 0 + -240 Combine like terms: 240 + -240 = 0 0 + 22x + x2 = 0 + -240 22x + x2 = 0 + -240 Combine like terms: 0 + -240 = -240 22x + x2 = -240 The x term is 22x. Take half its coefficient (11). Square it (121) and add it to both sides. Add '121' to each side of the equation. 22x + 121 + x2 = -240 + 121 Reorder the terms: 121 + 22x + x2 = -240 + 121 Combine like terms: -240 + 121 = -119 121 + 22x + x2 = -119 Factor a perfect square on the left side: (x + 11)(x + 11) = -119 Can't calculate square root of the right side. The solution to this equation could not be determined.
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