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Simplifying 2x2 + -1 = 49 Reorder the terms: -1 + 2x2 = 49 Solving -1 + 2x2 = 49 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + 2x2 = 49 + 1 Combine like terms: -1 + 1 = 0 0 + 2x2 = 49 + 1 2x2 = 49 + 1 Combine like terms: 49 + 1 = 50 2x2 = 50 Divide each side by '2'. x2 = 25 Simplifying x2 = 25 Take the square root of each side: x = {-5, 5}
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