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Simplifying f(a) = a2 + -3a + 7 Multiply f * a af = a2 + -3a + 7 Reorder the terms: af = 7 + -3a + a2 Solving af = 7 + -3a + a2 Solving for variable 'a'. Reorder the terms: -7 + 3a + af + -1a2 = 7 + -3a + a2 + -7 + 3a + -1a2 Reorder the terms: -7 + 3a + af + -1a2 = 7 + -7 + -3a + 3a + a2 + -1a2 Combine like terms: 7 + -7 = 0 -7 + 3a + af + -1a2 = 0 + -3a + 3a + a2 + -1a2 -7 + 3a + af + -1a2 = -3a + 3a + a2 + -1a2 Combine like terms: -3a + 3a = 0 -7 + 3a + af + -1a2 = 0 + a2 + -1a2 -7 + 3a + af + -1a2 = a2 + -1a2 Combine like terms: a2 + -1a2 = 0 -7 + 3a + af + -1a2 = 0 The solution to this equation could not be determined.
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