Answer:
48
Step-by-step explanation:
Step 1: Define
7x² - 3x - 6
x = 3
Step 2: Substitute and Evaluate
7(3)² - 3(3) - 6
7(9) - 9 - 6
63 - 15
Answer: 48
Step-by-step explanation: Plug in all x for 3
7(3)^2 Do exponent first then multiply. This equals 63
3x3 is 9
Then there is -6
63-9-6
This equals 48
