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Simplifying f(x) = x5 + -2x4 + -15x3 Multiply f * x fx = x5 + -2x4 + -15x3 Reorder the terms: fx = -15x3 + -2x4 + x5 Solving fx = -15x3 + -2x4 + x5 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by 'x'. f = -15x2 + -2x3 + x4 Simplifying f = -15x2 + -2x3 + x4
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