Question

8x^3-27=0
find the real or imaginary solutions by factoring

Answer 1

this is an example of the classic "difference of cubes" formula. Are you familiar with it? Please have a look:

http://www.purplemath.com/modules/specfact2.htm

Please think of 8x^3 - 27 = 0 as\[(2x)^{3}-(3)^{3}\]
and factor it using the "difference of cubes" formula.

Answer 2

diffrence of cubes formula will solve this