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Simplifying 4x2 + 9y2 + -40 = 0 Reorder the terms: -40 + 4x2 + 9y2 = 0 Solving -40 + 4x2 + 9y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '40' to each side of the equation. -40 + 4x2 + 40 + 9y2 = 0 + 40 Reorder the terms: -40 + 40 + 4x2 + 9y2 = 0 + 40 Combine like terms: -40 + 40 = 0 0 + 4x2 + 9y2 = 0 + 40 4x2 + 9y2 = 0 + 40 Combine like terms: 0 + 40 = 40 4x2 + 9y2 = 40 Add '-9y2' to each side of the equation. 4x2 + 9y2 + -9y2 = 40 + -9y2 Combine like terms: 9y2 + -9y2 = 0 4x2 + 0 = 40 + -9y2 4x2 = 40 + -9y2 Divide each side by '4'. x2 = 10 + -2.25y2 Simplifying x2 = 10 + -2.25y2 Reorder the terms: -10 + x2 + 2.25y2 = 10 + -2.25y2 + -10 + 2.25y2 Reorder the terms: -10 + x2 + 2.25y2 = 10 + -10 + -2.25y2 + 2.25y2 Combine like terms: 10 + -10 = 0 -10 + x2 + 2.25y2 = 0 + -2.25y2 + 2.25y2 -10 + x2 + 2.25y2 = -2.25y2 + 2.25y2 Combine like terms: -2.25y2 + 2.25y2 = 0.00 -10 + x2 + 2.25y2 = 0.00 The solution to this equation could not be determined.
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