How do you factor #F(x) = x^3 + x^2 + 4x + 4?

1 Answer
May 28, 2015

# x^3 + x^2 + 4x + 4#

We can make groups of two to factorise this expression:
#(x^3+ x^2) + (4x +4)#

#x^2# is common to both the terms in the first group, and #4# is common to both the terms in the second group

We can write the expression as :
#x^2(x+1) +4(x+1)#
#=color(green)((x^2 +4 )(x+1)#