Answer:
48f^2-110f+63
Step-by-step explanation:
We multiple every part of first sum with every prt of the 2nd sum:
(6f-7)(8f-9)=48f^2-54f-56f+63=
48f^2-110f+63
4725 devided by 30 is 4725 / 30 = 157.5 ;
Answer:
I recoment using the formula because its different ways its taught
Step-by-step explanation:
maybe look up different formula's
