Answer:
by doing it the same way you did with the first one.
Step-by-step explanation:
Answer:nhnc
add it mc
Step-by-step explanation:vgnhc
-5t^2 +2t -3
Collect terms in the sum:
G+P = (3t^2 -5t +6) +(-8t^2 +7t -9) = (3-8)t^2 +(-5+7)t +(6-9)
= -5t^2 +2t -3