Answer: -20
Step-by-step explanation:
Replace the variables with the numbers that corresponds. The equations should now be 2(-3)^2 - 5(-3)(-2) - (-2)^3. First complete the exponents, 2(9) - 5(-3)(-2) - 8. Then multiply, 18 - 30 - 8. Subtract, and the answer is -20.
