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Simplifying 5(4x2 + 9) + -20 = 0 Reorder the terms: 5(9 + 4x2) + -20 = 0 (9 * 5 + 4x2 * 5) + -20 = 0 (45 + 20x2) + -20 = 0 Reorder the terms: 45 + -20 + 20x2 = 0 Combine like terms: 45 + -20 = 25 25 + 20x2 = 0 Solving 25 + 20x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-25' to each side of the equation. 25 + -25 + 20x2 = 0 + -25 Combine like terms: 25 + -25 = 0 0 + 20x2 = 0 + -25 20x2 = 0 + -25 Combine like terms: 0 + -25 = -25 20x2 = -25 Divide each side by '20'. x2 = -1.25 Simplifying x2 = -1.25 Reorder the terms: 1.25 + x2 = -1.25 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 1.25 + x2 = 0.00 The solution to this equation could not be determined.
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