4) $(x^4 + 3) - (3x^4 + 3x^2)$ 5) $(3n^4 + 2) - (3n^4 + 5n^3)$
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2) = 12.8. So now we have: (x" + 31 - 12.8 3n" + 2) - (3n" Sn"1). Show more…
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