**a plus b Whole Cube Formula - onlinemath4all**
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WHOLE CUBE FORMULA. In this section, you will learn the formula or expansion for (a + b)3. That is, (a + b) 3 = (a + b) (a + b) (a + b) Multiply (a + b) and (a + b). (a + b) 3 = (a 2 + ab + ab + b 2 ) (a + b) Simplify. (a + b) 3 = (a 2 + 2ab + b 2 ) (a + b) (a + b) 3 = a 3 + a 2 b + 2a 2 b + 2ab 2 + ab 2 + b 3.

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