Question

find the difference. (2p^4 -3p^3 ) -( -3p^4 - p^3)

Answer 1

First distribute the negative into each term within the second set of parenthesis to get:
\[3p^4+p^3. \]
Now you have:
\[2p^4 -3p^3 +2p^4 +p^3 \]
Then to get your answer all you have to do is combine like terms, do you know how to do that?

Answer 2

no

Answer 3

Here is a hint, in order for terms to be "like terms" they must have the exponent. can you identify which terms there have the same exponent?

Answer 4

*must have the same exponent

Answer 5

ummmm 2 and 3 im not sure

Answer 6

Do you know what an exponent is?

Answer 7

^2

Answer 8

can you please help me

Answer 9

Jay I assume you know how to add and subtract, if you understood exponents this would be very simple, just like adding and subtracting, please watch these videos to help you: http://www.khanacademy.org/video/level-1-exponents?playlist=Pre-algebra