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Simplifying 16z2 + 4z + 3 = 0 Reorder the terms: 3 + 4z + 16z2 = 0 Solving 3 + 4z + 16z2 = 0 Solving for variable 'z'. Begin completing the square. Divide all terms by 16 the coefficient of the squared term: Divide each side by '16'. 0.1875 + 0.25z + z2 = 0 Move the constant term to the right: Add '-0.1875' to each side of the equation. 0.1875 + 0.25z + -0.1875 + z2 = 0 + -0.1875 Reorder the terms: 0.1875 + -0.1875 + 0.25z + z2 = 0 + -0.1875 Combine like terms: 0.1875 + -0.1875 = 0.0000 0.0000 + 0.25z + z2 = 0 + -0.1875 0.25z + z2 = 0 + -0.1875 Combine like terms: 0 + -0.1875 = -0.1875 0.25z + z2 = -0.1875 The z term is 0.25z. Take half its coefficient (0.125). Square it (0.015625) and add it to both sides. Add '0.015625' to each side of the equation. 0.25z + 0.015625 + z2 = -0.1875 + 0.015625 Reorder the terms: 0.015625 + 0.25z + z2 = -0.1875 + 0.015625 Combine like terms: -0.1875 + 0.015625 = -0.171875 0.015625 + 0.25z + z2 = -0.171875 Factor a perfect square on the left side: (z + 0.125)(z + 0.125) = -0.171875 Can't calculate square root of the right side. The solution to this equation could not be determined.
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