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Simplifying 0.025(0.6 + 2x) * 2 = (0.2 + -1x)(0.4 + -1x) Reorder the terms for easier multiplication: 0.025 * 2(0.6 + 2x) = (0.2 + -1x)(0.4 + -1x) Multiply 0.025 * 2 0.05(0.6 + 2x) = (0.2 + -1x)(0.4 + -1x) (0.6 * 0.05 + 2x * 0.05) = (0.2 + -1x)(0.4 + -1x) (0.03 + 0.1x) = (0.2 + -1x)(0.4 + -1x) Multiply (0.2 + -1x) * (0.4 + -1x) 0.03 + 0.1x = (0.2(0.4 + -1x) + -1x * (0.4 + -1x)) 0.03 + 0.1x = ((0.4 * 0.2 + -1x * 0.2) + -1x * (0.4 + -1x)) 0.03 + 0.1x = ((0.08 + -0.2x) + -1x * (0.4 + -1x)) 0.03 + 0.1x = (0.08 + -0.2x + (0.4 * -1x + -1x * -1x)) 0.03 + 0.1x = (0.08 + -0.2x + (-0.4x + 1x2)) Combine like terms: -0.2x + -0.4x = -0.6x 0.03 + 0.1x = (0.08 + -0.6x + 1x2) Solving 0.03 + 0.1x = 0.08 + -0.6x + 1x2 Solving for variable 'x'. Reorder the terms: 0.03 + -0.08 + 0.1x + 0.6x + -1x2 = 0.08 + -0.6x + 1x2 + -0.08 + 0.6x + -1x2 Combine like terms: 0.03 + -0.08 = -0.05 -0.05 + 0.1x + 0.6x + -1x2 = 0.08 + -0.6x + 1x2 + -0.08 + 0.6x + -1x2 Combine like terms: 0.1x + 0.6x = 0.7x -0.05 + 0.7x + -1x2 = 0.08 + -0.6x + 1x2 + -0.08 + 0.6x + -1x2 Reorder the terms: -0.05 + 0.7x + -1x2 = 0.08 + -0.08 + -0.6x + 0.6x + 1x2 + -1x2 Combine like terms: 0.08 + -0.08 = 0.00 -0.05 + 0.7x + -1x2 = 0.00 + -0.6x + 0.6x + 1x2 + -1x2 -0.05 + 0.7x + -1x2 = -0.6x + 0.6x + 1x2 + -1x2 Combine like terms: -0.6x + 0.6x = 0.0 -0.05 + 0.7x + -1x2 = 0.0 + 1x2 + -1x2 -0.05 + 0.7x + -1x2 = 1x2 + -1x2 Combine like terms: 1x2 + -1x2 = 0 -0.05 + 0.7x + -1x2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. 0.05 + -0.7x + x2 = 0 Move the constant term to the right: Add '-0.05' to each side of the equation. 0.05 + -0.7x + -0.05 + x2 = 0 + -0.05 Reorder the terms: 0.05 + -0.05 + -0.7x + x2 = 0 + -0.05 Combine like terms: 0.05 + -0.05 = 0.00 0.00 + -0.7x + x2 = 0 + -0.05 -0.7x + x2 = 0 + -0.05 Combine like terms: 0 + -0.05 = -0.05 -0.7x + x2 = -0.05 The x term is -0.7x. Take half its coefficient (-0.35). Square it (0.1225) and add it to both sides. Add '0.1225' to each side of the equation. -0.7x + 0.1225 + x2 = -0.05 + 0.1225 Reorder the terms: 0.1225 + -0.7x + x2 = -0.05 + 0.1225 Combine like terms: -0.05 + 0.1225 = 0.0725 0.1225 + -0.7x + x2 = 0.0725 Factor a perfect square on the left side: (x + -0.35)(x + -0.35) = 0.0725 Calculate the square root of the right side: 0.26925824 Break this problem into two subproblems by setting (x + -0.35) equal to 0.26925824 and -0.26925824.Subproblem 1
x + -0.35 = 0.26925824 Simplifying x + -0.35 = 0.26925824 Reorder the terms: -0.35 + x = 0.26925824 Solving -0.35 + x = 0.26925824 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.35' to each side of the equation. -0.35 + 0.35 + x = 0.26925824 + 0.35 Combine like terms: -0.35 + 0.35 = 0.00 0.00 + x = 0.26925824 + 0.35 x = 0.26925824 + 0.35 Combine like terms: 0.26925824 + 0.35 = 0.61925824 x = 0.61925824 Simplifying x = 0.61925824Subproblem 2
x + -0.35 = -0.26925824 Simplifying x + -0.35 = -0.26925824 Reorder the terms: -0.35 + x = -0.26925824 Solving -0.35 + x = -0.26925824 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.35' to each side of the equation. -0.35 + 0.35 + x = -0.26925824 + 0.35 Combine like terms: -0.35 + 0.35 = 0.00 0.00 + x = -0.26925824 + 0.35 x = -0.26925824 + 0.35 Combine like terms: -0.26925824 + 0.35 = 0.08074176 x = 0.08074176 Simplifying x = 0.08074176Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.61925824, 0.08074176}
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