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Simplifying 4z2 + 3 = 4z Reorder the terms: 3 + 4z2 = 4z Solving 3 + 4z2 = 4z Solving for variable 'z'. Reorder the terms: 3 + -4z + 4z2 = 4z + -4z Combine like terms: 4z + -4z = 0 3 + -4z + 4z2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 0.75 + -1z + z2 = 0 Move the constant term to the right: Add '-0.75' to each side of the equation. 0.75 + -1z + -0.75 + z2 = 0 + -0.75 Reorder the terms: 0.75 + -0.75 + -1z + z2 = 0 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + -1z + z2 = 0 + -0.75 -1z + z2 = 0 + -0.75 Combine like terms: 0 + -0.75 = -0.75 -1z + z2 = -0.75 The z term is -1z. Take half its coefficient (-0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. -1z + 0.25 + z2 = -0.75 + 0.25 Reorder the terms: 0.25 + -1z + z2 = -0.75 + 0.25 Combine like terms: -0.75 + 0.25 = -0.5 0.25 + -1z + z2 = -0.5 Factor a perfect square on the left side: (z + -0.5)(z + -0.5) = -0.5 Can't calculate square root of the right side. The solution to this equation could not be determined.
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