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Simplifying (3+x) cubed
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Simplifying (3+x) cubed

User Mike Petty
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1 Answer

3 votes
Hello
by identité : (a+b)3 = a3 +b3 +3a²b +3b²a
(3+x) 3 = 27 + x3 +27x +9 x²
or : (3+x) 3 = (3+x)(3+x)².............
User Tbolender
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