Final answer:
When x = -2, the expression 2x³ - 3x² + 4 evaluates to -24.
Step-by-step explanation:
To evaluate the expression 2x³ - 3x² + 4 for x = -2, we substitute -2 in place of x:
2(-2)³ - 3(-2)² + 4
Now we simplify the expression:
2(-8) - 3(4) + 4
-16 - 12 + 4
-24
So, when x = -2, the expression evaluates to -24.
Learn more about Evaluating expressions with a given value