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Simplifying x2 + -22x + 900 = 0 Reorder the terms: 900 + -22x + x2 = 0 Solving 900 + -22x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-900' to each side of the equation. 900 + -22x + -900 + x2 = 0 + -900 Reorder the terms: 900 + -900 + -22x + x2 = 0 + -900 Combine like terms: 900 + -900 = 0 0 + -22x + x2 = 0 + -900 -22x + x2 = 0 + -900 Combine like terms: 0 + -900 = -900 -22x + x2 = -900 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 = -900 + 121 Reorder the terms: 121 + -22x + x2 = -900 + 121 Combine like terms: -900 + 121 = -779 121 + -22x + x2 = -779 Factor a perfect square on the left side: (x + -11)(x + -11) = -779 Can't calculate square root of the right side. The solution to this equation could not be determined.
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