Answer:
4
Step-by-step explanation:
Plug in the values to the expression and solve:
2a² + 6 - 2 b + 4c
2(-1)² + 6 - 2(2) + 4(0)
Solve:
2(-1)² + 6 - 2(2) + 4(0)
2(1) + 6 - 2(2) + 4(0)
2 + 6 - 2(2) + 4(0)
2 + 6 - 4 + 4(0)
2 + 6 - 4
8 - 4
4
Your final answer would be 4.