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Simplifying 4x^{2}+ 13 + -75 = 0 Reorder the terms: 13 + -75 + 4x^{2}= 0 Combine like terms: 13 + -75 = -62 -62 + 4x^{2}= 0 Solving -62 + 4x^{2}= 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '62' to each side of the equation. -62 + 62 + 4x^{2}= 0 + 62 Combine like terms: -62 + 62 = 0 0 + 4x^{2}= 0 + 62 4x^{2}= 0 + 62 Combine like terms: 0 + 62 = 62 4x^{2}= 62 Divide each side by '4'. x^{2}= 15.5 Simplifying x^{2}= 15.5 Take the square root of each side: x = {-3.937003937, 3.937003937}

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