8x to the third power + 27=0. solve
Use the standard factoring of
a^3 - b^3 = 0
where a = 2x and b = 3.
See
http://www.engineeringtoolbox.com/factors-expansion-d_1249.html
Look at equation 6.
a^3 - b^3 = 0
where a = 2x and b = 3.
See
http://www.engineeringtoolbox.com/factors-expansion-d_1249.html
Look at equation 6.