Answer:
90 and 71 or 80.5
Step-by-step explanation:
find middle two numbers
add them together
divide by 2
1. multiply the first term of each binomials together
2. multiply the out terms together.
3. multiply the inner terms together
4. multiply the last terms of each expression together
5. list the four results of FOIL in order
6. combine the like terms.
I hope this helps
Answer:x2 355b. Hhgguyuy
Step-by-step explanation:
