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Simplifying 4x2 + -11 + 10 = -2x + 8 Reorder the terms: -11 + 10 + 4x2 = -2x + 8 Combine like terms: -11 + 10 = -1 -1 + 4x2 = -2x + 8 Reorder the terms: -1 + 4x2 = 8 + -2x Solving -1 + 4x2 = 8 + -2x Solving for variable 'x'. Reorder the terms: -1 + -8 + 2x + 4x2 = 8 + -2x + -8 + 2x Combine like terms: -1 + -8 = -9 -9 + 2x + 4x2 = 8 + -2x + -8 + 2x Reorder the terms: -9 + 2x + 4x2 = 8 + -8 + -2x + 2x Combine like terms: 8 + -8 = 0 -9 + 2x + 4x2 = 0 + -2x + 2x -9 + 2x + 4x2 = -2x + 2x Combine like terms: -2x + 2x = 0 -9 + 2x + 4x2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. -2.25 + 0.5x + x2 = 0 Move the constant term to the right: Add '2.25' to each side of the equation. -2.25 + 0.5x + 2.25 + x2 = 0 + 2.25 Reorder the terms: -2.25 + 2.25 + 0.5x + x2 = 0 + 2.25 Combine like terms: -2.25 + 2.25 = 0.00 0.00 + 0.5x + x2 = 0 + 2.25 0.5x + x2 = 0 + 2.25 Combine like terms: 0 + 2.25 = 2.25 0.5x + x2 = 2.25 The x term is 0.5x. Take half its coefficient (0.25). Square it (0.0625) and add it to both sides. Add '0.0625' to each side of the equation. 0.5x + 0.0625 + x2 = 2.25 + 0.0625 Reorder the terms: 0.0625 + 0.5x + x2 = 2.25 + 0.0625 Combine like terms: 2.25 + 0.0625 = 2.3125 0.0625 + 0.5x + x2 = 2.3125 Factor a perfect square on the left side: (x + 0.25)(x + 0.25) = 2.3125 Calculate the square root of the right side: 1.520690633 Break this problem into two subproblems by setting (x + 0.25) equal to 1.520690633 and -1.520690633.Subproblem 1
x + 0.25 = 1.520690633 Simplifying x + 0.25 = 1.520690633 Reorder the terms: 0.25 + x = 1.520690633 Solving 0.25 + x = 1.520690633 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.25' to each side of the equation. 0.25 + -0.25 + x = 1.520690633 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + x = 1.520690633 + -0.25 x = 1.520690633 + -0.25 Combine like terms: 1.520690633 + -0.25 = 1.270690633 x = 1.270690633 Simplifying x = 1.270690633Subproblem 2
x + 0.25 = -1.520690633 Simplifying x + 0.25 = -1.520690633 Reorder the terms: 0.25 + x = -1.520690633 Solving 0.25 + x = -1.520690633 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.25' to each side of the equation. 0.25 + -0.25 + x = -1.520690633 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + x = -1.520690633 + -0.25 x = -1.520690633 + -0.25 Combine like terms: -1.520690633 + -0.25 = -1.770690633 x = -1.770690633 Simplifying x = -1.770690633Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.270690633, -1.770690633}
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