Final answer:
To evaluate the expression x² - 5x - 3 when x = 6, substitute x with 6 and simplify the expression to find the value. The value of the expression is 3.
Step-by-step explanation:
To evaluate the expression x² - 5x - 3 when x = 6, we simply substitute the given value of x into the expression:
(6)² - 5(6) - 3 = 36 - 30 - 3 = 3
Therefore, when x = 6, the value of the expression x² - 5x - 3 is 3.