Question

b) Find the value of 2a2 + 5b2 when a = -6 and b = 2​

Answer 1

Answer:

-4

Step-by-step explanation:

2a2+5a2

2(-6)2=-24

5(2)2=20

-24+20=-4

Answer 2

Answer: -4

Step-by-step explanation:

(2x-6×2)(5×2×2)

-24+20

-4