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Simplifying (7x2 + 5) + -1(2x2 + -5) = 0 Reorder the terms: (5 + 7x2) + -1(2x2 + -5) = 0 Remove parenthesis around (5 + 7x2) 5 + 7x2 + -1(2x2 + -5) = 0 Reorder the terms: 5 + 7x2 + -1(-5 + 2x2) = 0 5 + 7x2 + (-5 * -1 + 2x2 * -1) = 0 5 + 7x2 + (5 + -2x2) = 0 Reorder the terms: 5 + 5 + 7x2 + -2x2 = 0 Combine like terms: 5 + 5 = 10 10 + 7x2 + -2x2 = 0 Combine like terms: 7x2 + -2x2 = 5x2 10 + 5x2 = 0 Solving 10 + 5x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + 5x2 = 0 + -10 Combine like terms: 10 + -10 = 0 0 + 5x2 = 0 + -10 5x2 = 0 + -10 Combine like terms: 0 + -10 = -10 5x2 = -10 Divide each side by '5'. x2 = -2 Simplifying x2 = -2 Reorder the terms: 2 + x2 = -2 + 2 Combine like terms: -2 + 2 = 0 2 + x2 = 0 The solution to this equation could not be determined.
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