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Simplifying X2 + -20y2 + 84 = 0 Reorder the terms: 84 + X2 + -20y2 = 0 Solving 84 + X2 + -20y2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-84' to each side of the equation. 84 + X2 + -84 + -20y2 = 0 + -84 Reorder the terms: 84 + -84 + X2 + -20y2 = 0 + -84 Combine like terms: 84 + -84 = 0 0 + X2 + -20y2 = 0 + -84 X2 + -20y2 = 0 + -84 Combine like terms: 0 + -84 = -84 X2 + -20y2 = -84 Add '20y2' to each side of the equation. X2 + -20y2 + 20y2 = -84 + 20y2 Combine like terms: -20y2 + 20y2 = 0 X2 + 0 = -84 + 20y2 X2 = -84 + 20y2 Simplifying X2 = -84 + 20y2 Reorder the terms: 84 + X2 + -20y2 = -84 + 20y2 + 84 + -20y2 Reorder the terms: 84 + X2 + -20y2 = -84 + 84 + 20y2 + -20y2 Combine like terms: -84 + 84 = 0 84 + X2 + -20y2 = 0 + 20y2 + -20y2 84 + X2 + -20y2 = 20y2 + -20y2 Combine like terms: 20y2 + -20y2 = 0 84 + X2 + -20y2 = 0 The solution to this equation could not be determined.
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