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Simplifying f(x) = -7x2 + 5x + 7 Multiply f * x fx = -7x2 + 5x + 7 Reorder the terms: fx = 7 + 5x + -7x2 Solving fx = 7 + 5x + -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 = 7x-1 + 5 + -7x Simplifying f = 7x-1 + 5 + -7x Reorder the terms: f = 5 + 7x-1 + -7x
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