Question

set up the following addition using a vertical format and find the sum of the given polynomials. a - b + c, b - c + d, and c - d + e
A a + c + e
B a + 2b + 3c + 2d + e
C b + d + e
D a - c - e

Answer 1

Hello,

 a|b.|c|d.|.e|
|1|-1|1|0|0|
|0|1|-1|1|0|
|0|0|1|-1|1|
--------------
|1|0|1|0|1|

sum=a+c+e