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Simplifying 4x2 + 4xy = 2y2 Reorder the terms: 4xy + 4x2 = 2y2 Solving 4xy + 4x2 = 2y2 Solving for variable 'x'. Combine like terms: 2y2 + -2y2 = 0 4xy + 4x2 + -2y2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(2xy + 2x2 + -1y2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(2xy + 2x2 + -1y2)' equal to zero and attempt to solve: Simplifying 2xy + 2x2 + -1y2 = 0 Solving 2xy + 2x2 + -1y2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. xy + x2 + -0.5y2 = 0 Move the constant term to the right: Add '0.5y2' to each side of the equation. xy + x2 + -0.5y2 + 0.5y2 = 0 + 0.5y2 Combine like terms: -0.5y2 + 0.5y2 = 0.0 xy + x2 + 0.0 = 0 + 0.5y2 xy + x2 = 0 + 0.5y2 Remove the zero: xy + x2 = 0.5y2 The x term is xy. Take half its coefficient (0.5y). Square it (0.25y2) and add it to both sides. Add '0.25y2' to each side of the equation. y2 + x2 + 0.25y2 = 0.5y2 + 0.25y2 Reorder the terms: x2 + y2 + 0.25y2 = 0.5y2 + 0.25y2 Combine like terms: y2 + 0.25y2 = 1.25y2 x2 + 1.25y2 = 0.5y2 + 0.25y2 Combine like terms: 0.5y2 + 0.25y2 = 0.75y2 x2 + 1.25y2 = 0.75y2 Factor a perfect square on the left side: (x + 0.5y)(x + 0.5y) = 0.75y2 Calculate the square root of the right side: 0.866025404y Break this problem into two subproblems by setting (x + 0.5y) equal to 0.866025404y and -0.866025404y.Subproblem 1
x + 0.5y = 0.866025404y Simplifying x + 0.5y = 0.866025404y Solving x + 0.5y = 0.866025404y Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5y' to each side of the equation. x + 0.5y + -0.5y = 0.866025404y + -0.5y Combine like terms: 0.5y + -0.5y = 0.0 x + 0.0 = 0.866025404y + -0.5y x = 0.866025404y + -0.5y Combine like terms: 0.866025404y + -0.5y = 0.366025404y x = 0.366025404y Simplifying x = 0.366025404ySubproblem 2
x + 0.5y = -0.866025404y Simplifying x + 0.5y = -0.866025404y Solving x + 0.5y = -0.866025404y Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5y' to each side of the equation. x + 0.5y + -0.5y = -0.866025404y + -0.5y Combine like terms: 0.5y + -0.5y = 0.0 x + 0.0 = -0.866025404y + -0.5y x = -0.866025404y + -0.5y Combine like terms: -0.866025404y + -0.5y = -1.366025404y x = -1.366025404y Simplifying x = -1.366025404ySolution
The solution to the problem is based on the solutions from the subproblems. x = {0.366025404y, -1.366025404y}Solution
x = {0.366025404y, -1.366025404y}
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