college algebra
posted by tara on .
Find all real solutions of the equation. (Enter your answers as a commaseparated list. If there is no real solution, enter NO REAL SOLUTION.)
x4 + 27x = 0

x^4 + 27x = 0
x(x^3+27) = 0
recall your sumofcubes factoring to get
x(x+3)(x^23x+9)
two real roots, two complex roots