f(x)=x^3+px^2+qx+6

Question

this formula can also be written in "factorised form" that is,
f(x)=a(x+b)(x+c)(x+d)

can someone please teach me how to change a funtion into it's factorised form?

thanks

the following link has some nice step-by-steps illustrations and examples

http://www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut7_factor.htm

thanks!