Answer:
10(10+x)
Step-by-step explanation:
Here's a way to do it.
Let 4e +2 = 5n +1 . . . . . . for some integer n
Then e = (5n -1)/4 = n + (n -1)/4
We want (n-1)/4 to be an integer, so let it be integer m.
... m = (n -1)/4
... 4m = n -1
... 4m +1 = n
Substituting this into our expression for e gives
... e = (5(4m+1) -1)/4 = (20m +4)/4 = 5m +1
e = 5m+1 for any integer m
answer:
47
Step-by-step explanation:
258.5/5.5=47
2x² - 4x - 30
2(x²) - 2(4x) - 2(15)
2(x² - 4x - 15)
