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Simplifying 90x2 + -18xy + 63x = 0 Reorder the terms: 63x + -18xy + 90x2 = 0 Solving 63x + -18xy + 90x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '9x'. 9x(7 + -2y + 10x) = 0 Ignore the factor 9.Subproblem 1
Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0Subproblem 2
Set the factor '(7 + -2y + 10x)' equal to zero and attempt to solve: Simplifying 7 + -2y + 10x = 0 Reorder the terms: 7 + 10x + -2y = 0 Solving 7 + 10x + -2y = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + 10x + -7 + -2y = 0 + -7 Reorder the terms: 7 + -7 + 10x + -2y = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 10x + -2y = 0 + -7 10x + -2y = 0 + -7 Combine like terms: 0 + -7 = -7 10x + -2y = -7 Add '2y' to each side of the equation. 10x + -2y + 2y = -7 + 2y Combine like terms: -2y + 2y = 0 10x + 0 = -7 + 2y 10x = -7 + 2y Divide each side by '10'. x = -0.7 + 0.2y Simplifying x = -0.7 + 0.2ySolution
x = {0, -0.7 + 0.2y}
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