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Simplifying 4x2 + -10 = 4x + 11 Reorder the terms: -10 + 4x2 = 4x + 11 Reorder the terms: -10 + 4x2 = 11 + 4x Solving -10 + 4x2 = 11 + 4x Solving for variable 'x'. Reorder the terms: -10 + -11 + -4x + 4x2 = 11 + 4x + -11 + -4x Combine like terms: -10 + -11 = -21 -21 + -4x + 4x2 = 11 + 4x + -11 + -4x Reorder the terms: -21 + -4x + 4x2 = 11 + -11 + 4x + -4x Combine like terms: 11 + -11 = 0 -21 + -4x + 4x2 = 0 + 4x + -4x -21 + -4x + 4x2 = 4x + -4x Combine like terms: 4x + -4x = 0 -21 + -4x + 4x2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. -5.25 + -1x + x2 = 0 Move the constant term to the right: Add '5.25' to each side of the equation. -5.25 + -1x + 5.25 + x2 = 0 + 5.25 Reorder the terms: -5.25 + 5.25 + -1x + x2 = 0 + 5.25 Combine like terms: -5.25 + 5.25 = 0.00 0.00 + -1x + x2 = 0 + 5.25 -1x + x2 = 0 + 5.25 Combine like terms: 0 + 5.25 = 5.25 -1x + x2 = 5.25 The x term is -1x. Take half its coefficient (-0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. -1x + 0.25 + x2 = 5.25 + 0.25 Reorder the terms: 0.25 + -1x + x2 = 5.25 + 0.25 Combine like terms: 5.25 + 0.25 = 5.5 0.25 + -1x + x2 = 5.5 Factor a perfect square on the left side: (x + -0.5)(x + -0.5) = 5.5 Calculate the square root of the right side: 2.34520788 Break this problem into two subproblems by setting (x + -0.5) equal to 2.34520788 and -2.34520788.Subproblem 1
x + -0.5 = 2.34520788 Simplifying x + -0.5 = 2.34520788 Reorder the terms: -0.5 + x = 2.34520788 Solving -0.5 + x = 2.34520788 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 2.34520788 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 2.34520788 + 0.5 x = 2.34520788 + 0.5 Combine like terms: 2.34520788 + 0.5 = 2.84520788 x = 2.84520788 Simplifying x = 2.84520788Subproblem 2
x + -0.5 = -2.34520788 Simplifying x + -0.5 = -2.34520788 Reorder the terms: -0.5 + x = -2.34520788 Solving -0.5 + x = -2.34520788 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -2.34520788 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -2.34520788 + 0.5 x = -2.34520788 + 0.5 Combine like terms: -2.34520788 + 0.5 = -1.84520788 x = -1.84520788 Simplifying x = -1.84520788Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.84520788, -1.84520788}
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