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Simplifying f(x) = 2x4 + -5x3 + 3x + -1 Multiply f * x fx = 2x4 + -5x3 + 3x + -1 Reorder the terms: fx = -1 + 3x + -5x3 + 2x4 Solving fx = -1 + 3x + -5x3 + 2x4 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by 'x'. f = -1x-1 + 3 + -5x2 + 2x3 Simplifying f = -1x-1 + 3 + -5x2 + 2x3 Reorder the terms: f = 3 + -1x-1 + -5x2 + 2x3
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