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Simplifying 4x + 7 + 6x = 8x2 + -2x + 10 + -3x Reorder the terms: 7 + 4x + 6x = 8x2 + -2x + 10 + -3x Combine like terms: 4x + 6x = 10x 7 + 10x = 8x2 + -2x + 10 + -3x Reorder the terms: 7 + 10x = 10 + -2x + -3x + 8x2 Combine like terms: -2x + -3x = -5x 7 + 10x = 10 + -5x + 8x2 Solving 7 + 10x = 10 + -5x + 8x2 Solving for variable 'x'. Reorder the terms: 7 + -10 + 10x + 5x + -8x2 = 10 + -5x + 8x2 + -10 + 5x + -8x2 Combine like terms: 7 + -10 = -3 -3 + 10x + 5x + -8x2 = 10 + -5x + 8x2 + -10 + 5x + -8x2 Combine like terms: 10x + 5x = 15x -3 + 15x + -8x2 = 10 + -5x + 8x2 + -10 + 5x + -8x2 Reorder the terms: -3 + 15x + -8x2 = 10 + -10 + -5x + 5x + 8x2 + -8x2 Combine like terms: 10 + -10 = 0 -3 + 15x + -8x2 = 0 + -5x + 5x + 8x2 + -8x2 -3 + 15x + -8x2 = -5x + 5x + 8x2 + -8x2 Combine like terms: -5x + 5x = 0 -3 + 15x + -8x2 = 0 + 8x2 + -8x2 -3 + 15x + -8x2 = 8x2 + -8x2 Combine like terms: 8x2 + -8x2 = 0 -3 + 15x + -8x2 = 0 Begin completing the square. Divide all terms by -8 the coefficient of the squared term: Divide each side by '-8'. 0.375 + -1.875x + x2 = 0 Move the constant term to the right: Add '-0.375' to each side of the equation. 0.375 + -1.875x + -0.375 + x2 = 0 + -0.375 Reorder the terms: 0.375 + -0.375 + -1.875x + x2 = 0 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + -1.875x + x2 = 0 + -0.375 -1.875x + x2 = 0 + -0.375 Combine like terms: 0 + -0.375 = -0.375 -1.875x + x2 = -0.375 The x term is -1.875x. Take half its coefficient (-0.9375). Square it (0.87890625) and add it to both sides. Add '0.87890625' to each side of the equation. -1.875x + 0.87890625 + x2 = -0.375 + 0.87890625 Reorder the terms: 0.87890625 + -1.875x + x2 = -0.375 + 0.87890625 Combine like terms: -0.375 + 0.87890625 = 0.50390625 0.87890625 + -1.875x + x2 = 0.50390625 Factor a perfect square on the left side: (x + -0.9375)(x + -0.9375) = 0.50390625 Calculate the square root of the right side: 0.709863543 Break this problem into two subproblems by setting (x + -0.9375) equal to 0.709863543 and -0.709863543.Subproblem 1
x + -0.9375 = 0.709863543 Simplifying x + -0.9375 = 0.709863543 Reorder the terms: -0.9375 + x = 0.709863543 Solving -0.9375 + x = 0.709863543 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.9375' to each side of the equation. -0.9375 + 0.9375 + x = 0.709863543 + 0.9375 Combine like terms: -0.9375 + 0.9375 = 0.0000 0.0000 + x = 0.709863543 + 0.9375 x = 0.709863543 + 0.9375 Combine like terms: 0.709863543 + 0.9375 = 1.647363543 x = 1.647363543 Simplifying x = 1.647363543Subproblem 2
x + -0.9375 = -0.709863543 Simplifying x + -0.9375 = -0.709863543 Reorder the terms: -0.9375 + x = -0.709863543 Solving -0.9375 + x = -0.709863543 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.9375' to each side of the equation. -0.9375 + 0.9375 + x = -0.709863543 + 0.9375 Combine like terms: -0.9375 + 0.9375 = 0.0000 0.0000 + x = -0.709863543 + 0.9375 x = -0.709863543 + 0.9375 Combine like terms: -0.709863543 + 0.9375 = 0.227636457 x = 0.227636457 Simplifying x = 0.227636457Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.647363543, 0.227636457}
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