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Simplifying 5x2 + -22x = -25 Reorder the terms: -22x + 5x2 = -25 Solving -22x + 5x2 = -25 Solving for variable 'x'. Reorder the terms: 25 + -22x + 5x2 = -25 + 25 Combine like terms: -25 + 25 = 0 25 + -22x + 5x2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. 5 + -4.4x + x2 = 0 Move the constant term to the right: Add '-5' to each side of the equation. 5 + -4.4x + -5 + x2 = 0 + -5 Reorder the terms: 5 + -5 + -4.4x + x2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4.4x + x2 = 0 + -5 -4.4x + x2 = 0 + -5 Combine like terms: 0 + -5 = -5 -4.4x + x2 = -5 The x term is -4.4x. Take half its coefficient (-2.2). Square it (4.84) and add it to both sides. Add '4.84' to each side of the equation. -4.4x + 4.84 + x2 = -5 + 4.84 Reorder the terms: 4.84 + -4.4x + x2 = -5 + 4.84 Combine like terms: -5 + 4.84 = -0.16 4.84 + -4.4x + x2 = -0.16 Factor a perfect square on the left side: (x + -2.2)(x + -2.2) = -0.16 Can't calculate square root of the right side. The solution to this equation could not be determined.
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