Answer:
-5
Step-by-step explanation:
a= -4 than 2 times-4. than be 8.and 4 square is -16. So it be 3+8-16 = -5
27
[tex]3-2a+a^2\\[/tex]
If a = -4 then just replace a with -4
[tex]3-2(-4)+(-4)^2\\3+8+16\\27[/tex]
