SOLUTION: Can you please help me solve this? I'm supposed to factor using the formula {{{(a-b)(a^2-ab+b^2)}}} but I'm not exactly sure how to. {{{27x^3-64}}}
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Question 189581: Can you please help me solve this? I'm supposed to factor using the formula but I'm not exactly sure how to.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression.
Rewrite as . Rewrite as .
Now factor by using the difference of cubes formula. Remember the difference of cubes formula is
Multiply
-----------------------------------
Answer:
So factors to .
In other words,
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