Question

a plus b the whole cube minus 8​

Answer 1

Answer:

u mean (a+b)2 - 8 . pls make it clear if this is not the equation

Answer 2

Answer:

given below

Step-by-step explanation:

( a + b )³ - 2³

by formula a^3 - b^3 = ( a - b ) ( a² + ab + b² )

here, (a+b)^3 - 2³

[ a + b - 2 ][ ( a + b )^2 + 2^2 + 2( a + b ) ]

[ a + b - 2 ][ a^2 + b^2 + 2ab + 2 + 2a + b ]

[ a + b - 2 ][ a^2 + a + b^2 + c + 2ab + 2 ]