SOLUTION: I'm having a real hard time with factoring. This stuff just is not clicking. Can you please help me? Here is my problem: R3-125t2 I know it isn't factorable but can you

Question 575717: I'm having a real hard time with factoring. This stuff just is not clicking. Can you please help me?
Here is my problem:
R3-125t2 I know it isn't factorable but can you tell? Is it because there is no number before r cubed?

Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

No, it isn't factorable because you have an

term. If it had been

, then you would have the difference of 2 squares (sorta, since

which is irrational), but there is no general factorization of the difference of a cube and a square.

You could factor it as the difference of two cubes if you recognize that

, then using the pattern

to get:

John

My calculator said it, I believe it, that settles it

The Out Campaign: Scarlet Letter of Atheism

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