Explanation:

To solve the given expression, let's break it down step by step.

Step 1: Calculate the power of 5^2.

5^2 = 5 * 5 = 25

Step 2: Divide the result of step 1 by 25.

25 / 25 = 1

Step 3: Multiply the result of step 2 by X.

1 * X = X

Step 4: Compare the result of step 3 with 125.

X = 125

Therefore, the given expression "5^2 * X / 25 = 125" is not true.

Explanation:
Let's understand the given expression in detail:

Power of 5^2:
The expression starts with 5^2, which means 5 raised to the power of 2. When a number is raised to a power, it is multiplied by itself the given number of times. In this case, 5^2 is equal to 5 * 5, which equals 25.

Dividing by 25:
Next, we divide the result of the power calculation by 25. Dividing 25 by 25 gives us 1. So, we have 1 * X.

Multiplying by X:
We multiply the result of step 2 by X. Since it is just a variable, the expression becomes X.

Comparing with 125:
Finally, we need to compare the result with 125. The given expression states that X should be equal to 125. However, based on the calculations, X is simply equal to 1.

Conclusion:
In conclusion, the given expression "5^2 * X / 25 = 125" does not hold true. The correct result is X = 1, not X = 125.