Question

(4c^5+11c^2-4)-(8c^5-9c^2+18)

Answer 1

\[(4c^5+11c^2-4)-(8c^5-9c^2+18) \rightarrow 4c^5 - 11c^2 - 4 - 8c^5 + 9c^2 - 18\]
What I did above was multiply everything in the second parenthesis by negative -. Remember, when a negative sign is on the outside, all the signs within the parenthesis change.

Now, you need to add like terms. I'll group them together to make it easier. \[(4c^5 - 8c^5) (- 11c^2+ 9c^2) (-4 - 18)\]
NOTE: we wouldn't really need to put the parenthesis. This is just for visualization so you can see the like-terms.

Now, just add them like normal.

Can you do the final step?

Answer 2

-4c^5-2c^2-12

Answer 3

Am i correct

Answer 4

Close!

\[-4c^5 - 2c^2 - 22\]

What you did was get -12.
It would only be -12 if it was: -4 -(-14)

A double minus = positive
But just having: - 4 - 18, you still get a negative.

Also:
\(\Huge{\color{purple}{\textbf{W}} \color{orange}{\cal{E}} \color{green}{\mathbb{L}} \color{blue}{\mathsf{C}} \color{maroon}{\rm{O}} \color{red}{\tt{M}} \color{gold}{\tt{E}} \space \color{orchid}{\mathbf{T}} \color{Navy}{\mathsf{O}} \space \color{OrangeRed}{\boldsymbol{O}} \color{Olive}{\mathbf{P}} \color{Lime}{\textbf{E}} \color{DarkOrchid}{\mathsf{N}} \color{Tan}{\mathtt{S}} \color{magenta}{\mathbb{T}} \color{goldenrod}{\mathsf{U}} \color{ForestGreen}{\textbf{D}} \color{Salmon}{\mathsf{Y}} \ddot \smile }\)

Study on ~~

Answer 5

Thank you, do you mind if you help me with more similar questions

Answer 6

No problem. Remember, if you want to ask a new question, open a Ask a Question. Don't ask two questions on the same thread! :)

And always give a medal to someone who you found helpful.