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Simplifying C(x) = 0.2x2 + -80x + 10000 Multiply C * x xC = 0.2x2 + -80x + 10000 Reorder the terms: xC = 10000 + -80x + 0.2x2 Solving xC = 10000 + -80x + 0.2x2 Solving for variable 'x'. Reorder the terms: -10000 + 80x + xC + -0.2x2 = 10000 + -80x + 0.2x2 + -10000 + 80x + -0.2x2 Reorder the terms: -10000 + 80x + xC + -0.2x2 = 10000 + -10000 + -80x + 80x + 0.2x2 + -0.2x2 Combine like terms: 10000 + -10000 = 0 -10000 + 80x + xC + -0.2x2 = 0 + -80x + 80x + 0.2x2 + -0.2x2 -10000 + 80x + xC + -0.2x2 = -80x + 80x + 0.2x2 + -0.2x2 Combine like terms: -80x + 80x = 0 -10000 + 80x + xC + -0.2x2 = 0 + 0.2x2 + -0.2x2 -10000 + 80x + xC + -0.2x2 = 0.2x2 + -0.2x2 Combine like terms: 0.2x2 + -0.2x2 = 0.0 -10000 + 80x + xC + -0.2x2 = 0.0 The solution to this equation could not be determined.
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