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Simplifying f(-1) = (-1) * 2 + 4(-1) + 2 Reorder the terms for easier multiplication: -1f = (-1) * 2 + 4(-1) + 2 Multiply -1 * 2 -1f = -2 + 4(-1) + 2 Multiply 4 * -1 -1f = -2 + -4 + 2 Combine like terms: -2 + -4 = -6 -1f = -6 + 2 Combine like terms: -6 + 2 = -4 -1f = -4 Solving -1f = -4 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by '-1'. f = 4 Simplifying f = 4
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