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Simplifying q2 + 9Q + -4 = 0 Reorder the terms: -4 + 9Q + q2 = 0 Solving -4 + 9Q + q2 = 0 Solving for variable 'Q'. Move all terms containing Q to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 9Q + 4 + q2 = 0 + 4 Reorder the terms: -4 + 4 + 9Q + q2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 9Q + q2 = 0 + 4 9Q + q2 = 0 + 4 Combine like terms: 0 + 4 = 4 9Q + q2 = 4 Add '-1q2' to each side of the equation. 9Q + q2 + -1q2 = 4 + -1q2 Combine like terms: q2 + -1q2 = 0 9Q + 0 = 4 + -1q2 9Q = 4 + -1q2 Divide each side by '9'. Q = 0.4444444444 + -0.1111111111q2 Simplifying Q = 0.4444444444 + -0.1111111111q2
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