Question

I DON'T GET IT

Answer 1

@Rushwr

Answer 2

What do you need to know

Answer 3

i need to mach them up

Answer 4

I am gonna kind of do it backwards....starting with the answers...
(10x^4 - 5) - (9x^3 + 2x) --- distribute the negative through the parenthesis
10x^4 - 5 - 9x^3 - 2x -- combine like terms
10x^4 - 9x^3 - 2x - 5

15x^3 + 12x + 1 - (6x^3 + 5x + 2) -- distribute the negative through the parenthesis
15x^3 + 12x + 1 - 6x^3 - 5x - 2 -- combine like terms
9x^3 + 7x - 1

do you understand how I am doing these ??

Answer 5

it is matching git up

Answer 6

i just need the answers that's all

Answer 7

@Rushwr

Answer 8

2x^4 - x^3 - 2x -(-4x^3 + 3x) =
2x^4 - x^3 - 2x + 4x^3 - 3x =
2x^4 + 3x^3 - 5x

9x^3 + 2x + 10x^4 - 5 =
10x^4 + 9x^3 + 2x - 5

9x^4 + 10x + 3x^3 + 2x + 1 =
9x^4 + 3x^3 + 12x + 1

x^4 + 3x^3 - 5x + x^4 + 3x^3 - 5x =
2x^4 + 6x^3 - 10x