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Simplifying f(x + 4) = (x2 + -2x + 7) Reorder the terms: f(4 + x) = (x2 + -2x + 7) (4 * f + x * f) = (x2 + -2x + 7) (4f + fx) = (x2 + -2x + 7) Reorder the terms: 4f + fx = (7 + -2x + x2) Remove parenthesis around (7 + -2x + x2) 4f + fx = 7 + -2x + x2 Solving 4f + fx = 7 + -2x + x2 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Reorder the terms: -7 + 4f + fx + 2x + -1x2 = 7 + -2x + x2 + -7 + 2x + -1x2 Reorder the terms: -7 + 4f + fx + 2x + -1x2 = 7 + -7 + -2x + 2x + x2 + -1x2 Combine like terms: 7 + -7 = 0 -7 + 4f + fx + 2x + -1x2 = 0 + -2x + 2x + x2 + -1x2 -7 + 4f + fx + 2x + -1x2 = -2x + 2x + x2 + -1x2 Combine like terms: -2x + 2x = 0 -7 + 4f + fx + 2x + -1x2 = 0 + x2 + -1x2 -7 + 4f + fx + 2x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -7 + 4f + fx + 2x + -1x2 = 0 The solution to this equation could not be determined.
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