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Simplifying 4x2 + -11x + 49 = 5x + 4 Reorder the terms: 49 + -11x + 4x2 = 5x + 4 Reorder the terms: 49 + -11x + 4x2 = 4 + 5x Solving 49 + -11x + 4x2 = 4 + 5x Solving for variable 'x'. Reorder the terms: 49 + -4 + -11x + -5x + 4x2 = 4 + 5x + -4 + -5x Combine like terms: 49 + -4 = 45 45 + -11x + -5x + 4x2 = 4 + 5x + -4 + -5x Combine like terms: -11x + -5x = -16x 45 + -16x + 4x2 = 4 + 5x + -4 + -5x Reorder the terms: 45 + -16x + 4x2 = 4 + -4 + 5x + -5x Combine like terms: 4 + -4 = 0 45 + -16x + 4x2 = 0 + 5x + -5x 45 + -16x + 4x2 = 5x + -5x Combine like terms: 5x + -5x = 0 45 + -16x + 4x2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 11.25 + -4x + x2 = 0 Move the constant term to the right: Add '-11.25' to each side of the equation. 11.25 + -4x + -11.25 + x2 = 0 + -11.25 Reorder the terms: 11.25 + -11.25 + -4x + x2 = 0 + -11.25 Combine like terms: 11.25 + -11.25 = 0.00 0.00 + -4x + x2 = 0 + -11.25 -4x + x2 = 0 + -11.25 Combine like terms: 0 + -11.25 = -11.25 -4x + x2 = -11.25 The x term is -4x. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4x + 4 + x2 = -11.25 + 4 Reorder the terms: 4 + -4x + x2 = -11.25 + 4 Combine like terms: -11.25 + 4 = -7.25 4 + -4x + x2 = -7.25 Factor a perfect square on the left side: (x + -2)(x + -2) = -7.25 Can't calculate square root of the right side. The solution to this equation could not be determined.
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