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Simplifying (2z + 1)(2z + -1) + 12 = 4(z + 5) + -10 Reorder the terms: (1 + 2z)(2z + -1) + 12 = 4(z + 5) + -10 Reorder the terms: (1 + 2z)(-1 + 2z) + 12 = 4(z + 5) + -10 Multiply (1 + 2z) * (-1 + 2z) (1(-1 + 2z) + 2z * (-1 + 2z)) + 12 = 4(z + 5) + -10 ((-1 * 1 + 2z * 1) + 2z * (-1 + 2z)) + 12 = 4(z + 5) + -10 ((-1 + 2z) + 2z * (-1 + 2z)) + 12 = 4(z + 5) + -10 (-1 + 2z + (-1 * 2z + 2z * 2z)) + 12 = 4(z + 5) + -10 (-1 + 2z + (-2z + 4z2)) + 12 = 4(z + 5) + -10 Combine like terms: 2z + -2z = 0 (-1 + 0 + 4z2) + 12 = 4(z + 5) + -10 (-1 + 4z2) + 12 = 4(z + 5) + -10 Reorder the terms: -1 + 12 + 4z2 = 4(z + 5) + -10 Combine like terms: -1 + 12 = 11 11 + 4z2 = 4(z + 5) + -10 Reorder the terms: 11 + 4z2 = 4(5 + z) + -10 11 + 4z2 = (5 * 4 + z * 4) + -10 11 + 4z2 = (20 + 4z) + -10 Reorder the terms: 11 + 4z2 = 20 + -10 + 4z Combine like terms: 20 + -10 = 10 11 + 4z2 = 10 + 4z Solving 11 + 4z2 = 10 + 4z Solving for variable 'z'. Reorder the terms: 11 + -10 + -4z + 4z2 = 10 + 4z + -10 + -4z Combine like terms: 11 + -10 = 1 1 + -4z + 4z2 = 10 + 4z + -10 + -4z Reorder the terms: 1 + -4z + 4z2 = 10 + -10 + 4z + -4z Combine like terms: 10 + -10 = 0 1 + -4z + 4z2 = 0 + 4z + -4z 1 + -4z + 4z2 = 4z + -4z Combine like terms: 4z + -4z = 0 1 + -4z + 4z2 = 0 Factor a trinomial. (1 + -2z)(1 + -2z) = 0Subproblem 1
Set the factor '(1 + -2z)' equal to zero and attempt to solve: Simplifying 1 + -2z = 0 Solving 1 + -2z = 0 Move all terms containing z to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2z = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2z = 0 + -1 -2z = 0 + -1 Combine like terms: 0 + -1 = -1 -2z = -1 Divide each side by '-2'. z = 0.5 Simplifying z = 0.5Subproblem 2
Set the factor '(1 + -2z)' equal to zero and attempt to solve: Simplifying 1 + -2z = 0 Solving 1 + -2z = 0 Move all terms containing z to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2z = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2z = 0 + -1 -2z = 0 + -1 Combine like terms: 0 + -1 = -1 -2z = -1 Divide each side by '-2'. z = 0.5 Simplifying z = 0.5Solution
z = {0.5, 0.5}
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