Answer:
729
Step-by-step explanation:
9³ you just type that in the calculator
Answer:
The value of the Rational expression when is:
Step-by-step explanation:
For this exercise is important to remember:
- When a negative number is raised to an even power, the result will be positive.
- The multiplication of signs:
Then, given the following Rational expression:
You need to follow these steps in order to find its value when :
1. Substitute the given value of "x" () into the expression:
2. Evaluate and simplify:
Answer:
Step-by-step explanation:
25x^2-64=0
x=8/5, -8/5
Answer:
its 11 or its 5
Step-by-step explanation: