a square plus 2ab plus b square
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(a+b)cube = a cube + b cube + 3a square b + 3ab square
'a' minus 'b' whole cube is equal to 'a cube' minus 'b cube' minus (3 a square b ) plus (3 a b square) . .. .....thanks
It's the square root of a2+b2. It cannot be simplified. It is NOT a+b. The answer is c square.
(a + b)3 = a3 + 3a2b + 3ab2 + b3
If you mean (a-b+c)^2, then... a^2 - ab + ac - ab + b^2 - bc + ac - bc + c^2 = a^2 + b^2 + c^2 - 2ab + 2ac - 2bc.