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Simplifying f(x + 7) = x2 + 9x + 2 Reorder the terms: f(7 + x) = x2 + 9x + 2 (7 * f + x * f) = x2 + 9x + 2 (7f + fx) = x2 + 9x + 2 Reorder the terms: 7f + fx = 2 + 9x + x2 Solving 7f + fx = 2 + 9x + x2 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Reorder the terms: -2 + 7f + fx + -9x + -1x2 = 2 + 9x + x2 + -2 + -9x + -1x2 Reorder the terms: -2 + 7f + fx + -9x + -1x2 = 2 + -2 + 9x + -9x + x2 + -1x2 Combine like terms: 2 + -2 = 0 -2 + 7f + fx + -9x + -1x2 = 0 + 9x + -9x + x2 + -1x2 -2 + 7f + fx + -9x + -1x2 = 9x + -9x + x2 + -1x2 Combine like terms: 9x + -9x = 0 -2 + 7f + fx + -9x + -1x2 = 0 + x2 + -1x2 -2 + 7f + fx + -9x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -2 + 7f + fx + -9x + -1x2 = 0 The solution to this equation could not be determined.
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