How do you factor #np+2n+8p+16#?
1 Answer
Jan 19, 2017
Explanation:
Note that the ratio of the first and second terms is the same as that between the third and fourth terms.
So this quadrinomial will factor by grouping:
#np+2n+8p+16 = (np+2n)+(8p+16)#
#color(white)(np+2n+8p+16) = n(p+2)+8(p+2)#
#color(white)(np+2n+8p+16) = (n+8)(p+2)#
