How do you combine like terms

you add terms that are like each other

Step-by-step explanation:

here is an example:

2x+4+6+8x=    here you group terms together that have te same vaiable and exponet using the communitive property

2x+8x+6+4=   Then you add

10x+10= 20

hope this helps! :)

a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

(picture explains)

i think the answer is a p = 78

step-by-step explanation:

there are 6 sides of a hexagon, multiply 13 x 6