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Simplifying f(3x) = x2 + 2x + -6 Remove parenthesis around (3x) f * 3x = x2 + 2x + -6 Reorder the terms for easier multiplication: 3f * x = x2 + 2x + -6 Multiply f * x 3fx = x2 + 2x + -6 Reorder the terms: 3fx = -6 + 2x + x2 Solving 3fx = -6 + 2x + x2 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by '3x'. f = -2x-1 + 0.6666666667 + 0.3333333333x Simplifying f = -2x-1 + 0.6666666667 + 0.3333333333x Reorder the terms: f = 0.6666666667 + -2x-1 + 0.3333333333x
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