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Simplifying f(-1x) = (-1x) * x2 + 4(-1x) + -2 Remove parenthesis around (-1x) f * -1x = (-1x) * x2 + 4(-1x) + -2 Reorder the terms for easier multiplication: -1f * x = (-1x) * x2 + 4(-1x) + -2 Multiply f * x -1fx = (-1x) * x2 + 4(-1x) + -2 Remove parenthesis around (-1x) -1fx = -1x * x2 + 4(-1x) + -2 Multiply x * x2 -1fx = -1x3 + 4(-1x) + -2 Remove parenthesis around (-1x) -1fx = -1x3 + 4 * -1x + -2 Multiply 4 * -1 -1fx = -1x3 + -4x + -2 Reorder the terms: -1fx = -2 + -4x + -1x3 Solving -1fx = -2 + -4x + -1x3 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by '-1x'. f = 2x-1 + 4 + x2 Simplifying f = 2x-1 + 4 + x2 Reorder the terms: f = 4 + 2x-1 + x2
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