Question

Evaluate 4(a2 + 2b) - 2b when a = 2 and b = –2.

Answer 1

Step-by-step explanation:

4(a^2 + 2b) - 2b when a = 2 and b = –2

= 4(2^2 + 2(-2)) - 2(-2)

= 4(4 - 4) + 4

= 4(0) + 4

= 0 + 4

= 4

Answer 2

Answer:

4

Step-by-step explanation:

4(2*2+2*-2)-2(-2)

4(0)+4

4