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Simplifying x2 + -2 = 65 Reorder the terms: -2 + x2 = 65 Solving -2 + x2 = 65 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x2 = 65 + 2 Combine like terms: -2 + 2 = 0 0 + x2 = 65 + 2 x2 = 65 + 2 Combine like terms: 65 + 2 = 67 x2 = 67 Simplifying x2 = 67 Take the square root of each side: x = {-8.185352772, 8.185352772}
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