Question

Find the sum.
(13x2 + 5x) + 8x2 =
a.26x2
b.26x5
c.20x2+5x
d.21x2+5x

Answer 1

13x^2+5x+8x^2
21^2+5x

Answer 2

Where do you get the 8 from ?

Answer 3

as i have said, just add the like terms :) and you are all good to go

Answer 4

i was just rewriting the problem

Answer 5

how do you add like terms ?

Answer 6

just add the numbers with the like variables. x^3 goes with other x^3 and x^2 goes with the other x^2, etc.

Answer 7

so like 13^2 ?

Answer 8

right
13x^2 goes with 8x^2

Answer 9

so i would add 13x^2+8x^2 but id really put 13^2+8^2 to get my answer ?

Answer 10

but if you add the two, you get 24^2

Answer 11

so how would i put this in a calculator

Answer 12

when you are finding the sum in this, you are really just simplifying

Answer 13

would i just add 13+8 ? to get my answer ?

Answer 14

yes but don't forget the variables.

Your final answer for this problem is \(21x^2+5x\)

Answer 15

Thank's you Have Helpedd me alot !! (:

Answer 16

you are welcome :)