2r2+6r+3 for r = -6
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,339 Aug 25, 2005 #2 Substitute Rewrite you expression only THIS TIME, instead of writing 'r' where it appears, write (-6) in its place. Oh, and use this guy "^" to make exponents. r-squared would be r^2.
Substitute Rewrite you expression only THIS TIME, instead of writing 'r' where it appears, write (-6) in its place. Oh, and use this guy "^" to make exponents. r-squared would be r^2.
