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Simplifying 2x2 + 49 = 169 Reorder the terms: 49 + 2x2 = 169 Solving 49 + 2x2 = 169 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-49' to each side of the equation. 49 + -49 + 2x2 = 169 + -49 Combine like terms: 49 + -49 = 0 0 + 2x2 = 169 + -49 2x2 = 169 + -49 Combine like terms: 169 + -49 = 120 2x2 = 120 Divide each side by '2'. x2 = 60 Simplifying x2 = 60 Take the square root of each side: x = {-7.745966692, 7.745966692}
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