Asap please help math evaluate algebra

Answer:
a. is equal to -21
b. is equal to -1
c. is equal to 31
Step-by-step explanation:
a. 2(-2)²-5
-4²-5
-16-5
= -21
b.2(1)²-5
2²-5
4-5
= -1
c.2(3)²-5
6²-5
36-5
= 31
This is the correct answers,please mark brainliest.