how do you add polynomials ?

(x^2 + 4x - 1) + ( 5x^2 + 2 )

(7n^3 + 2n^2 - n - 4) - (4n^3 - 3n^2 +8)

lol I really dont know how to do this.. can anyone explain it to mee in steps.. I get it but I really dont know what im doing.. orr how you add. bc I know you change the signs or sumtin lol

helpp ??

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Answer #1

OOH!! waity the last one is 7n^3-4n^3+2n^2+3n^2-4-8-n sorry the answer to the first one is 5x^4+4x+1

Answer #2

1.) add the x^2 with the 5x^2 then add the the 2 and the -1

2.) 7n^3 +4n^3 +2n^2-3n^2 +8-4 +n

Answer #3

If you want the answers I can give them to you

Answer #4

Well..First you have to distribute the positive sign among the polynomial in the parenthesis to the right..than combine like terms It is the same for the second problem but you must distribute the negative

According to my junior year teacher..when distributing a positive to a negative, it stays a negative..you might want to check that

Answer #5

According to my junior year teacher..when distributing a positive to a negative, it stays a negative..you might want to check that

Answer #6

According to my junior year teacher..when distributing a positive to a negative, it stays a negative..you might want to check that

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how do you add polynomials ?

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