If 5^5 × 5^x = (125)^4 , then what is the value of x? Choose the correct option.
A) 2
B) 3
C) 5
D) 6
E) 7
5^5 × 5^x = (125)^4   5^(5+x) = 5^12   Since they have the same base we can just set the exponents equal to each other: (5+x) = 12   x=7   Ans. 7) 7
<result>E</result>
If 5^5 × 5^x = (125)^4 , then what is the value of x?