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Simplifying k * z2 + 10z + 2 = 0 Multiply k * z2 kz2 + 10z + 2 = 0 Reorder the terms: 2 + kz2 + 10z = 0 Solving 2 + kz2 + 10z = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + kz2 + -2 + 10z = 0 + -2 Reorder the terms: 2 + -2 + kz2 + 10z = 0 + -2 Combine like terms: 2 + -2 = 0 0 + kz2 + 10z = 0 + -2 kz2 + 10z = 0 + -2 Combine like terms: 0 + -2 = -2 kz2 + 10z = -2 Add '-10z' to each side of the equation. kz2 + 10z + -10z = -2 + -10z Combine like terms: 10z + -10z = 0 kz2 + 0 = -2 + -10z kz2 = -2 + -10z Divide each side by 'z2'. k = -2z-2 + -10z-1 Simplifying k = -2z-2 + -10z-1
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