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Evaluate where .
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Q. Evaluate where .
- Substitute p value: First, we need to substitute the value of into the expression. The expression is , and we know that . So, we replace with to get .
- Simplify expression: Next, we simplify the expression by performing the operations in the correct order.Since there are no parentheses that change the order of operations, we can proceed from left to right.First, we handle the subtraction and addition of negative numbers. becomes because subtracting a negative is the same as adding a positive.
- Add negative numbers: Now, we add and .This is because when we add a negative number to a positive number, we essentially subtract the absolute value of the negative number from the positive number.
- Add positive numbers: Finally, we add the last term, which is , to the result from the previous step.Now we subtract from .
- Perform subtraction: Performing the subtraction, we get:This is because when we subtract a larger number from a smaller number, the result is negative, and we take the difference between the two numbers.
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