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Simplifying f(x + h) = x2 + 5x + 9 Reorder the terms: f(h + x) = x2 + 5x + 9 (h * f + x * f) = x2 + 5x + 9 (fh + fx) = x2 + 5x + 9 Reorder the terms: fh + fx = 9 + 5x + x2 Solving fh + fx = 9 + 5x + x2 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Reorder the terms: -9 + fh + fx + -5x + -1x2 = 9 + 5x + x2 + -9 + -5x + -1x2 Reorder the terms: -9 + fh + fx + -5x + -1x2 = 9 + -9 + 5x + -5x + x2 + -1x2 Combine like terms: 9 + -9 = 0 -9 + fh + fx + -5x + -1x2 = 0 + 5x + -5x + x2 + -1x2 -9 + fh + fx + -5x + -1x2 = 5x + -5x + x2 + -1x2 Combine like terms: 5x + -5x = 0 -9 + fh + fx + -5x + -1x2 = 0 + x2 + -1x2 -9 + fh + fx + -5x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -9 + fh + fx + -5x + -1x2 = 0 The solution to this equation could not be determined.
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