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Simplifying x2 + -5x + 999999999 = x Reorder the terms: 999999999 + -5x + x2 = x Solving 999999999 + -5x + x2 = x Solving for variable 'x'. Reorder the terms: 999999999 + -5x + -1x + x2 = x + -1x Combine like terms: -5x + -1x = -6x 999999999 + -6x + x2 = x + -1x Combine like terms: x + -1x = 0 999999999 + -6x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-999999999' to each side of the equation. 999999999 + -6x + -999999999 + x2 = 0 + -999999999 Reorder the terms: 999999999 + -999999999 + -6x + x2 = 0 + -999999999 Combine like terms: 999999999 + -999999999 = 0 0 + -6x + x2 = 0 + -999999999 -6x + x2 = 0 + -999999999 Combine like terms: 0 + -999999999 = -999999999 -6x + x2 = -999999999 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 = -999999999 + 9 Reorder the terms: 9 + -6x + x2 = -999999999 + 9 Combine like terms: -999999999 + 9 = -999999990 9 + -6x + x2 = -999999990 Factor a perfect square on the left side: (x + -3)(x + -3) = -999999990 Can't calculate square root of the right side. The solution to this equation could not be determined.
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