Answer:
x²-9=x²-3²=(x+3)(x-3)
Step-by-step explanation:
use formula
a²-b²=(a+b)(a-b)
Answer:
8
Step-by-step explanation:
Replace your variables with the numbers given.
0.1m + 8 - 12n =
0.1 · 30 + 8 - 12 · 1/4 =
8
Answer:
Step-by-step explanation:
Nooooooo
Answer:
Age of ben = n years
Age of Chloe = 2n years
Age of Dan = (n - 5) years
Now,
Sum of ben, Chloe and Dan's age = t years
or, n +2n + n - 5 = t
or, 4n - 5 =t
This is the required formula
but I think it's -25 because it's on the bottom of -24
