Question

(7+m) upon 3cube expand​

Answer 1

Step-by-step explanation:

(7+m)^3 = 343+m^3 + 21m(7+m)

Answer 2

Step-by-step explanation:

$((7 + m) \div 3)^{3}$

(a+b)³=a³+3a²b+3ab²+b³

so, {7^3 +3*7^2*m + 3*7*m^2 + m^3}/3^3

= {343 + 147m + 31m^2 +m^3}/27

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