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Simplifying f(x) = 28000x + -7x2 Multiply f * x fx = 28000x + -7x2 Solving fx = 28000x + -7x2 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by 'x'. f = 28000 + -7x Simplifying f = 28000 + -7x
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