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Simplifying x2 + 8x + 15 = f(x) Reorder the terms: 15 + 8x + x2 = f(x) Multiply f * x 15 + 8x + x2 = fx Solving 15 + 8x + x2 = fx Solving for variable 'x'. Reorder the terms: 15 + -1fx + 8x + x2 = fx + -1fx Combine like terms: fx + -1fx = 0 15 + -1fx + 8x + x2 = 0 The solution to this equation could not be determined.
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