Question

Subtract the following polynomials
https://media.glynlyon.com/g_alg02_ccss_2013/4/q1629.gif

Answer 1

So, just go down the columns:

3.1x - 4.3x =
2.8z - (-1.2z) =

add up the results

Answer 2

-1.2x + 1.6z

Answer 3

I had that but its partial credit @ whpalmer4

Answer 4

3.1x - 4.3x = -1.2x

2.8z - (-1.2z) is not 1.6z
2.8z - 1.2z is 1.6z

2.8z - (-1.2z) =

Answer 5

that equals 4

Answer 6

closer....still not quite right...

Answer 7

isn't there a variable name in there somewhere?

Answer 8

what do you mean?

Answer 9

2.8z-(-1.2z) doesn't equal 4

Answer 10

it equals 4z