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Simplifying f(x) * x2 + -20g(x) = 4 + -1x Multiply f * x fx * x2 + -20g(x) = 4 + -1x Multiply fx * x2 fx3 + -20g(x) = 4 + -1x Multiply g * x fx3 + -20gx = 4 + -1x Solving fx3 + -20gx = 4 + -1x Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Add '20gx' to each side of the equation. fx3 + -20gx + 20gx = 4 + 20gx + -1x Combine like terms: -20gx + 20gx = 0 fx3 + 0 = 4 + 20gx + -1x fx3 = 4 + 20gx + -1x Divide each side by 'x3'. f = 4x-3 + 20gx-2 + -1x-2 Simplifying f = 4x-3 + 20gx-2 + -1x-2 Reorder the terms: f = 20gx-2 + 4x-3 + -1x-2
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