How do you factor by grouping #x^3+4x^2+8x+32#?
2 Answers
May 29, 2018
Explanation:
Factor each half of the expression individually first:
Hence
In terms of real numbers, this is factorised
May 29, 2018
Explanation:
#=color(red)(x^2)(x+4)color(red)(+8)(x+4)#
#"take out the "color(blue)"common factor "(x+4)#
#=(x+4)(color(red)(x^2+8))#
#x^3+4x^2+8x+32=(x+4)(x^2+8)#