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Simplifying 2x^{2}+ -64 = 0 Reorder the terms: -64 + 2x^{2}= 0 Solving -64 + 2x^{2}= 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '64' to each side of the equation. -64 + 64 + 2x^{2}= 0 + 64 Combine like terms: -64 + 64 = 0 0 + 2x^{2}= 0 + 64 2x^{2}= 0 + 64 Combine like terms: 0 + 64 = 64 2x^{2}= 64 Divide each side by '2'. x^{2}= 32 Simplifying x^{2}= 32 Take the square root of each side: x = {-5.656854249, 5.656854249}

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