SOLUTION: Add the polynomials. Show all work. (sn-4n^2+7)+(7n^2+5n-6) Subtract the polynomials. Show all work. (7y^3+4y^2-5y+3)-(8y^3-4y^2-2y+2)

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Question 443671: Add the polynomials. Show all work.
(sn-4n^2+7)+(7n^2+5n-6)
Subtract the polynomials. Show all work.
(7y^3+4y^2-5y+3)-(8y^3-4y^2-2y+2)

Answer by oberobic(2304)   (Show Source): You can put this solution on YOUR website!
Adding.

Assuming "sn" is really 2n, and that each = 0.
Reorganize the first equation to align the elements.


Add



.
Subtracting



.
Done

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