Question

4a^4 - 2b^2 + 40 when a=2 and b = 7

Answer 1

• Answer:

- 34

• Explanation:

Hi !

4a⁴ - 2b² + 40 =

replace a = 2 ; b = 7

= 4ₓ2⁴ - 2ₓ7²

= 4ₓ16 - 2ₓ49

= 64 - 98

= - (98 - 64)

= - 34

Good luck !