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Simplifying 20x2 + 60xy + 45y2 = 0 Reorder the terms: 60xy + 20x2 + 45y2 = 0 Solving 60xy + 20x2 + 45y2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '5'. 5(12xy + 4x2 + 9y2) = 0 Factor a trinomial. 5((2x + 3y)(2x + 3y)) = 0 Ignore the factor 5.Subproblem 1
Set the factor '(2x + 3y)' equal to zero and attempt to solve: Simplifying 2x + 3y = 0 Solving 2x + 3y = 0 Move all terms containing x to the left, all other terms to the right. Add '-3y' to each side of the equation. 2x + 3y + -3y = 0 + -3y Combine like terms: 3y + -3y = 0 2x + 0 = 0 + -3y 2x = 0 + -3y Remove the zero: 2x = -3y Divide each side by '2'. x = -1.5y Simplifying x = -1.5ySubproblem 2
Set the factor '(2x + 3y)' equal to zero and attempt to solve: Simplifying 2x + 3y = 0 Solving 2x + 3y = 0 Move all terms containing x to the left, all other terms to the right. Add '-3y' to each side of the equation. 2x + 3y + -3y = 0 + -3y Combine like terms: 3y + -3y = 0 2x + 0 = 0 + -3y 2x = 0 + -3y Remove the zero: 2x = -3y Divide each side by '2'. x = -1.5y Simplifying x = -1.5ySolution
x = {-1.5y, -1.5y}
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