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Simplifying f(x) = 2x3 + -9x2 + 12x + -15 Multiply f * x fx = 2x3 + -9x2 + 12x + -15 Reorder the terms: fx = -15 + 12x + -9x2 + 2x3 Solving fx = -15 + 12x + -9x2 + 2x3 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by 'x'. f = -15x-1 + 12 + -9x + 2x2 Simplifying f = -15x-1 + 12 + -9x + 2x2 Reorder the terms: f = 12 + -15x-1 + -9x + 2x2
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