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Given that f(x) = x2 - 16 and g(x) = 20 - x, find (f-g)-4),
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Given that f(x) = x2 - 16 and g(x) = 20 - x, find (f-g)-4),

User Jparthj
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( {x}^(2) - 16) - (20 - x) - 4 \\ = {x}^(2) + x - 40

User Pablo Bianchi
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