Factor 216a9 + 125b6.
| Factoring a sum of two cubes. | Which factoring method is applicable to this problem. | |
| 216a9 + 125b6 = | (6a3)3 + (5b2)3 | Write 216a9 + 125b6 as a sum of two cubes. |
| a 3 + b 3 = | Show formula. | Recall the formula for factoring the difference of two cubes. |
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