EXPAND THIS = (7 + M)³
FASSSTTTTT.....
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Answered by
21
Using (x+y)³ = x³+3x²y+3xy²+y³
(7+M)³ = 7³+3.7²M+3.7.M²+M³
= M³ + 21M² + 147M + 343
jungkookiebangtan:
ARE YOU SURE THAT THIS IS CORRECT ??
Yep
THNKS
Nevva mind
KK
Lol.. I also did the same.. but leave it!
Answered by
22
(7+m)
(a+b)^3
a^3+ b^3+ 3ab (a +b)
7^3+m^3+3*7*m(7+m)
343+m^3+21m(7+m)
343+m^3+147m+21m^2 is the answer
(a+b)^3
a^3+ b^3+ 3ab (a +b)
7^3+m^3+3*7*m(7+m)
343+m^3+21m(7+m)
343+m^3+147m+21m^2 is the answer
THNKS
welcome
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