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Simplifying -4x(x + 10) = -3(x + -2) Reorder the terms: -4x(10 + x) = -3(x + -2) (10 * -4x + x * -4x) = -3(x + -2) (-40x + -4x2) = -3(x + -2) Reorder the terms: -40x + -4x2 = -3(-2 + x) -40x + -4x2 = (-2 * -3 + x * -3) -40x + -4x2 = (6 + -3x) Solving -40x + -4x2 = 6 + -3x Solving for variable 'x'. Reorder the terms: -6 + -40x + 3x + -4x2 = 6 + -3x + -6 + 3x Combine like terms: -40x + 3x = -37x -6 + -37x + -4x2 = 6 + -3x + -6 + 3x Reorder the terms: -6 + -37x + -4x2 = 6 + -6 + -3x + 3x Combine like terms: 6 + -6 = 0 -6 + -37x + -4x2 = 0 + -3x + 3x -6 + -37x + -4x2 = -3x + 3x Combine like terms: -3x + 3x = 0 -6 + -37x + -4x2 = 0 Factor out the Greatest Common Factor (GCF), '-1'. -1(6 + 37x + 4x2) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(6 + 37x + 4x2)' equal to zero and attempt to solve: Simplifying 6 + 37x + 4x2 = 0 Solving 6 + 37x + 4x2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 1.5 + 9.25x + x2 = 0 Move the constant term to the right: Add '-1.5' to each side of the equation. 1.5 + 9.25x + -1.5 + x2 = 0 + -1.5 Reorder the terms: 1.5 + -1.5 + 9.25x + x2 = 0 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + 9.25x + x2 = 0 + -1.5 9.25x + x2 = 0 + -1.5 Combine like terms: 0 + -1.5 = -1.5 9.25x + x2 = -1.5 The x term is 9.25x. Take half its coefficient (4.625). Square it (21.390625) and add it to both sides. Add '21.390625' to each side of the equation. 9.25x + 21.390625 + x2 = -1.5 + 21.390625 Reorder the terms: 21.390625 + 9.25x + x2 = -1.5 + 21.390625 Combine like terms: -1.5 + 21.390625 = 19.890625 21.390625 + 9.25x + x2 = 19.890625 Factor a perfect square on the left side: (x + 4.625)(x + 4.625) = 19.890625 Calculate the square root of the right side: 4.459890694 Break this problem into two subproblems by setting (x + 4.625) equal to 4.459890694 and -4.459890694.Subproblem 1
x + 4.625 = 4.459890694 Simplifying x + 4.625 = 4.459890694 Reorder the terms: 4.625 + x = 4.459890694 Solving 4.625 + x = 4.459890694 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.625' to each side of the equation. 4.625 + -4.625 + x = 4.459890694 + -4.625 Combine like terms: 4.625 + -4.625 = 0.000 0.000 + x = 4.459890694 + -4.625 x = 4.459890694 + -4.625 Combine like terms: 4.459890694 + -4.625 = -0.165109306 x = -0.165109306 Simplifying x = -0.165109306Subproblem 2
x + 4.625 = -4.459890694 Simplifying x + 4.625 = -4.459890694 Reorder the terms: 4.625 + x = -4.459890694 Solving 4.625 + x = -4.459890694 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.625' to each side of the equation. 4.625 + -4.625 + x = -4.459890694 + -4.625 Combine like terms: 4.625 + -4.625 = 0.000 0.000 + x = -4.459890694 + -4.625 x = -4.459890694 + -4.625 Combine like terms: -4.459890694 + -4.625 = -9.084890694 x = -9.084890694 Simplifying x = -9.084890694Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.165109306, -9.084890694}Solution
x = {-0.165109306, -9.084890694}
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