SOLUTION: (-v^3-v^2-1)- (v^4-v^2-v-1)+(v^3-3v^2+6) How to preform this operation ?

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: (-v^3-v^2-1)- (v^4-v^2-v-1)+(v^3-3v^2+6) How to preform this operation ?      Log On


   

Question 85318: (-v^3-v^2-1)- (v^4-v^2-v-1)+(v^3-3v^2+6)
How to preform this operation ?
Answer by scianci(186) About Me  (Show Source):
You can put this solution on YOUR website!
Change the signs of the second polynomial since it's subtracted:
-v^4 + v^2 + v + 1
Combine the like terms:
-v^4 - v^3 + v^3 - v^2 + v^2 - 3v^2 + v - 1 + 1 + 6 =
-v^4 - 3v^2 + v + 6 [the -v^3 and v^3 cancel each other, as do the -v^2 and v^2 and the -1 and 1]