Unformatted text preview: To factor this out in this way: (a+b)(a^2ab+b^2) you will need to have the sign the same for the first equation match the sign that is in the original equation. The second sign would always be opposite of the original equation and the last sign will always be plus. When using the difference of cubes a^3b^3 you will need to follow the same rule just reverse the signs. So the factor would look like this (ab) (a^2+ab+b^2). Of all these factoring terms I think the factoring of squares is the one that makes the most sense. I can easily understand the equations and to find the square of a number is fairly easy. As is only dealing with two terms to factor out. It is very easy to only use two terms to deal with and factor out then it would be to find the cube or factor a square trinomial....
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 Spring '09
 RABANO
 Addition, perfect square trinomial

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