How do you factor by grouping: #x^3 +4x^2 +3x+12#?
1 Answer
May 26, 2018
Explanation:
#=color(red)(x^2)(x+4)color(red)(+3)(x+4)#
#"take out the "color(blue)"common factor "(x+4)#
#=(x+4)(color(red)(x^2+3))#
#x^3+4x^2+3x+12=(x+4)(x^2+3)#
