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Simplifying f(-1x) = 2x2 + 5x + 4 Remove parenthesis around (-1x) f * -1x = 2x2 + 5x + 4 Reorder the terms for easier multiplication: -1f * x = 2x2 + 5x + 4 Multiply f * x -1fx = 2x2 + 5x + 4 Reorder the terms: -1fx = 4 + 5x + 2x2 Solving -1fx = 4 + 5x + 2x2 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by '-1x'. f = -4x-1 + -5 + -2x Simplifying f = -4x-1 + -5 + -2x Reorder the terms: f = -5 + -4x-1 + -2x
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