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Simplifying f(x) = 2(3a * 3a) + -3(3a) + 4 Multiply f * x fx = 2(3a * 3a) + -3(3a) + 4 Reorder the terms for easier multiplication: fx = 2(3 * 3a * a) + -3(3a) + 4 Multiply 3 * 3 fx = 2(9a * a) + -3(3a) + 4 Multiply a * a fx = 2(9a2) + -3(3a) + 4 Remove parenthesis around (9a2) fx = 2 * 9a2 + -3(3a) + 4 Multiply 2 * 9 fx = 18a2 + -3(3a) + 4 Remove parenthesis around (3a) fx = 18a2 + -3 * 3a + 4 Multiply -3 * 3 fx = 18a2 + -9a + 4 Reorder the terms: fx = 4 + -9a + 18a2 Solving fx = 4 + -9a + 18a2 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by 'x'. f = 4x-1 + -9ax-1 + 18a2x-1 Simplifying f = 4x-1 + -9ax-1 + 18a2x-1 Reorder the terms: f = -9ax-1 + 18a2x-1 + 4x-1
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