SOLUTION: Find the real or imaginary solution of each equation by factoring. 125x^3-27=0. I am not sure how to get the answer and am not sure how to factor this.

Algebra ->  Exponents -> SOLUTION: Find the real or imaginary solution of each equation by factoring. 125x^3-27=0. I am not sure how to get the answer and am not sure how to factor this.      Log On


   

Question 420105: Find the real or imaginary solution of each equation by factoring. 125x^3-27=0. I am not sure how to get the answer and am not sure how to factor this.
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
+125x%5E3-27+=+%285x+-+3%29%2825x%5E2+%2B+15x+%2B+9%29=0
25x%5E2+%2B+15x+%2B+9=0 gives

5x - 3 = 0 ==> x = 3/5.