How do you subtract #-8y^2-y+5# from #2y^2+9#?
1 Answer
Oct 22, 2016
Explanation:
#2y^2+9-1(color(red)(-8y^2-y+5))# distribute bracket.
#2y^2+9+8y^2+y-5# collect like terms.
#(2y^2+8y^2)+y+(+9-5)#
#=10y^2+y+4#
