How do you combine #5v ^ { 2} + 4v ^ { 2} + - 8v ^ { 2} + 7v ^ { 2} + - 6v ^ { 2}#?

1 Answer
Aug 7, 2017

#2v^2#

Explanation:

#"the terms are all like terms since they all have the same "#
#"variable "v^2#

#"to combine them add/subtract their coefficients"#
#"shown below in red"#

#color(red)(5)v^2color(red)(+4)v^2+color(red)(-8)v^2color(red)(+7)v^2+color(red)(-6)v^2#

#=(color(red)(5+4-8+7-6))v^2#

#=2v^2#