SOLUTION: Factor each polynomial completely: 8x3(x to the third) - 27 I tried, (4x +9)(2x-3) is that close 8x2(x squared) +-12x +-18x -27

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Factor each polynomial completely: 8x3(x to the third) - 27 I tried, (4x +9)(2x-3) is that close 8x2(x squared) +-12x +-18x -27      Log On


   

Question 79028: Factor each polynomial completely:
8x3(x to the third) - 27
I tried, (4x +9)(2x-3) is that close
8x2(x squared) +-12x +-18x -27
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
8x%5E3-27
Notice we can say 8x%5E3=%282x%29%5E3 and 27=3%5E3
So we can use the difference of cubes formula:
8x%5E3-27=%282x-3%29%284x%5E2%2B6x%2B9%29 and this is as far we can factor it