Answer:
Step-by-step explanation:
1. x= 27.6
2. x= 41
3. x= 30.2
I'm not sure what the triple thing is but hoped I helped with the other stuff.
Answer:
8x - 1
Step-by-step explanation:
Combine like terms. 3x and 5x are like terms.
3x + 5x -1 = 8x - 1
"a "and "b^2-4ac" must be negetive