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Simplifying 4x^{2}+ -25 = 0 Reorder the terms: -25 + 4x^{2}= 0 Solving -25 + 4x^{2}= 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '25' to each side of the equation. -25 + 25 + 4x^{2}= 0 + 25 Combine like terms: -25 + 25 = 0 0 + 4x^{2}= 0 + 25 4x^{2}= 0 + 25 Combine like terms: 0 + 25 = 25 4x^{2}= 25 Divide each side by '4'. x^{2}= 6.25 Simplifying x^{2}= 6.25 Take the square root of each side: x = {-2.5, 2.5}

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