SOLUTION: I need to add the following polynomial: 5b^3-8b+2b^2 and 3b^2-7b^3+5b. Can someone please help me with this? Polynomials are very new to me.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I need to add the following polynomial: 5b^3-8b+2b^2 and 3b^2-7b^3+5b. Can someone please help me with this? Polynomials are very new to me.      Log On


   



Question 83222: I need to add the following polynomial: 5b^3-8b+2b^2 and 3b^2-7b^3+5b. Can someone please help me with this? Polynomials are very new to me.
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
THERE IS NOTHING MYSTIC ABOUT LOTS OF NUMBERS WHEN ASKED TO ADD. JUST ADD LIKE NUMBERS AS USUAL THUS:
5B^3-7B^3=-2B^3 &
-8B+5B=-3B &
2B^2+3B^2=5B^2 THUS WE NOW COMBINE ALL THESE SUMS THUS:
-2B^3+5B^2-3B NOW FACTOR OUT ANY COMMON TERM (LIKE B)
B(-2B^2+5B-3)