Posted by Anonymous* on Tuesday, July 24, 2012 at 3:05pm.
Add these 2 polynomials
(21t+8)(4t) and (3t4)(2t)
84t^2+32t 6t^28t
I got this far isnt there another setp to do this is the part I am having difficulty with.

Algebra  Henry, Thursday, July 26, 2012 at 4:26pm
(21t+8)(4t) + (3t4)(2t) =
84t^2+32t + 6t^28t
Combine liketerms:
90t^2 + 24t
Factor out 6:
6(15t^2+4t).