It would have to be 749.99999999..... or something like 750.000000000000000000000000001
Thing is 749.99999999999... is actually 750.
If 5 is the base, 3(x-1) is the argument:
3x-1=5²
3x=26
x=26/3
If 5 is with 3x-1, that is, if 5(3x-1) is the argument, and the base is 10:
5(3x-1)=10²
3x-1=20
3x=21
x=7
I need to see the prices it u want an answer:)
ANSWER
Yes, the two expressions are equivalent.
The identity property of multiplication.
EXPLANATION
The identity element for multiplication of real numbers is 1.
This means that, if you multiply any real number by 1, you get the same real number
The given expression is,

These two expressions are equivalent.
The property that is applied is the identity property of multiplication.
For the input it would start from 0 to 4