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Simplifying f(x) = 4x2 + 3xf(-2) Multiply f * x fx = 4x2 + 3xf(-2) Reorder the terms for easier multiplication: fx = 4x2 + 3 * -2fx Multiply 3 * -2 fx = 4x2 + -6fx Reorder the terms: fx = -6fx + 4x2 Solving fx = -6fx + 4x2 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Add '6fx' to each side of the equation. fx + 6fx = -6fx + 6fx + 4x2 Combine like terms: fx + 6fx = 7fx 7fx = -6fx + 6fx + 4x2 Combine like terms: -6fx + 6fx = 0 7fx = 0 + 4x2 7fx = 4x2 Divide each side by '7x'. f = 0.5714285714x Simplifying f = 0.5714285714x
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