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Simplifying f(x + 3) = x2 + 7x + -6 Reorder the terms: f(3 + x) = x2 + 7x + -6 (3 * f + x * f) = x2 + 7x + -6 (3f + fx) = x2 + 7x + -6 Reorder the terms: 3f + fx = -6 + 7x + x2 Solving 3f + fx = -6 + 7x + x2 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Reorder the terms: 6 + 3f + fx + -7x + -1x2 = -6 + 7x + x2 + 6 + -7x + -1x2 Reorder the terms: 6 + 3f + fx + -7x + -1x2 = -6 + 6 + 7x + -7x + x2 + -1x2 Combine like terms: -6 + 6 = 0 6 + 3f + fx + -7x + -1x2 = 0 + 7x + -7x + x2 + -1x2 6 + 3f + fx + -7x + -1x2 = 7x + -7x + x2 + -1x2 Combine like terms: 7x + -7x = 0 6 + 3f + fx + -7x + -1x2 = 0 + x2 + -1x2 6 + 3f + fx + -7x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 6 + 3f + fx + -7x + -1x2 = 0 The solution to this equation could not be determined.
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