060 Adding and Subtracting Polynomials
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Skill Level🔴 Hard
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Progress to Next Level25% to Medium
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Let f(x) = -x4 + 5x3 - 7x2 + 1, g(x) = x4 + 5x2 + 3x + 2, and h(x) = -7x3 + 5. Which expression equals f(x) + g(x) - h(x)?