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Simplifying 2x(2) + -5x + -42 = 0 Reorder the terms for easier multiplication: 2 * 2x + -5x + -42 = 0 Multiply 2 * 2 4x + -5x + -42 = 0 Reorder the terms: -42 + 4x + -5x = 0 Combine like terms: 4x + -5x = -1x -42 + -1x = 0 Solving -42 + -1x = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '42' to each side of the equation. -42 + 42 + -1x = 0 + 42 Combine like terms: -42 + 42 = 0 0 + -1x = 0 + 42 -1x = 0 + 42 Combine like terms: 0 + 42 = 42 -1x = 42 Divide each side by '-1'. x = -42 Simplifying x = -42
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