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Simplifying f(x) = 2(4x2 + -5) + -3 Multiply f * x fx = 2(4x2 + -5) + -3 Reorder the terms: fx = 2(-5 + 4x2) + -3 fx = (-5 * 2 + 4x2 * 2) + -3 fx = (-10 + 8x2) + -3 Reorder the terms: fx = -10 + -3 + 8x2 Combine like terms: -10 + -3 = -13 fx = -13 + 8x2 Solving fx = -13 + 8x2 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by 'x'. f = -13x-1 + 8x Simplifying f = -13x-1 + 8x
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