Answer:
(-∞,-9)
Step-by-step explanation:
I suppose the expression is this
We can factor out this expression ( Remember, find two numbers that the sum is 9 and the product is 8. The numbers are 8 and 1)
table d
3x2|9x+18|+8|9x+18|3x2|9x+18|+8|9x+18|
Answer: 3/8
1/4 + 1/8 divided by 2