Question 83222
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)