How do you solve #9p^2-15p-6=0#?
1 Answer
May 10, 2016
Explanation:
#0 = 9p^2-15p-6#
#=3(3p^2-5p-2)#
#=3(3p^2-6p+p-2)#
#=3(3p(p-2)+1(p-2))#
#=3(2p+1)(p-2)#
Hence:
#p=-1/2# or#p=2#
