In your notebook, 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

If you set up the addition using a vertical format and find the sum of  the given polynomials, the answer would be: a + c + e

here the number -5 is all of the following except a rational number.

step-by-step explanation:

t = 3

step-by-step explanation:

put t = 3 in this expression :

(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680