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Simplifying (a + h) + -1f(a) = x2 + 4 Remove parenthesis around (a + h) a + h + -1f(a) = x2 + 4 Multiply f * a a + h + -1af = x2 + 4 Reorder the terms: a + -1af + h = x2 + 4 Reorder the terms: a + -1af + h = 4 + x2 Solving a + -1af + h = 4 + x2 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-1h' to each side of the equation. a + -1af + h + -1h = 4 + -1h + x2 Combine like terms: h + -1h = 0 a + -1af + 0 = 4 + -1h + x2 a + -1af = 4 + -1h + x2 Reorder the terms: -4 + a + -1af + h + -1x2 = 4 + -1h + x2 + -4 + h + -1x2 Reorder the terms: -4 + a + -1af + h + -1x2 = 4 + -4 + -1h + h + x2 + -1x2 Combine like terms: 4 + -4 = 0 -4 + a + -1af + h + -1x2 = 0 + -1h + h + x2 + -1x2 -4 + a + -1af + h + -1x2 = -1h + h + x2 + -1x2 Combine like terms: -1h + h = 0 -4 + a + -1af + h + -1x2 = 0 + x2 + -1x2 -4 + a + -1af + h + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -4 + a + -1af + h + -1x2 = 0 The solution to this equation could not be determined.
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