The value of expression 5 n square + 5n - 2 for n is equal to minus 2?

Question

Answer

Step 1: Substitute the Value of n
To evaluate the expression $ 5n^2 + 5n - 2 $ for $ n = -2 $, we start by substituting $-2$ into the expression:

Step 2: Calculate Each Term
Now, we will calculate each term one by one.

Step 3: Combine the Results
Next, we will combine all calculated terms:

Step 4: Final Calculation
Now, perform the final calculation step by step:

Conclusion
The value of the expression $ 5n^2 + 5n - 2 $ when $ n = -2 $ is:

This detailed evaluation shows how to substitute and calculate the expression step by step, ensuring clarity in each part of the process.