<span>(2a + 2) / (a^2 – 1)
(2(a +1)) / (a^2 - 1)
(2(a + 1)) / (a^2 - 1^2)
(2(a + 1)) / ((a + 1)(a - 1))
2 / a - 1
The answer is: 2/a - 1.</span>
Answer:
11
Step-by-step explanation:
Answer:
Step-by-step explanation:
<u>Order of operations, use the operation within the parenthesis:</u>
<u>Distributive property, a(b + c) = ab + ac:</u>
- 1) 4*5 - 4*2 = 20 - 8
- 2) 20 - 8 = 12
Both ways are correct and lead to same result
One way is 2.25 because 9/4 is 2.25 as a decimal