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Mathematics 8 Online
OpenStudy (anonymous):

subtract the sum of(8m-7n+6p^2)and(-3m-4n-p^2)from the sum of(2m+4n-3p^2)and(-m-n-p^2)

OpenStudy (anonymous):

i get \[-4 m+14 n-9 p^2\]

OpenStudy (anonymous):

but my algebra is not that good so it could be wrong. many steps

OpenStudy (anonymous):

i think it is 4m-14n+9p^2.im not also sure if it is correct

OpenStudy (radar):

First sum up the first two expressions. Write that down. Next sum up the last two expressions. Write that down. Now subtract the first sum from the second sum. Post each step, and I will verify your results. Am standing by.

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

the sum of first expression is 5m-11n+5p^2

OpenStudy (anonymous):

first two i mean*

OpenStudy (anonymous):

sum of last 2 exp is 1m+3n-4p^2

OpenStudy (radar):

Tthe sum of the first two is correct. That is a good start

OpenStudy (radar):

Man you/r fast, let me check lol

OpenStudy (anonymous):

lol

OpenStudy (radar):

bingo on the 2nd pair. Now for the subtraction.

OpenStudy (anonymous):

4m-14n+9p^2

OpenStudy (radar):

Same here, That is a good sign. I think practice will be a big help for you.

OpenStudy (radar):

Good luck with your studies.

OpenStudy (anonymous):

thnx

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