Question

If a=5and b=4than what is the value of(a- power 2 minus b ki power 2-2b)?​

Answer 1

Answer:

- 49

Step-by-step explanation:

a²- b² - 2b

(5²) - (4²) - 2×4

5×5 - 4×4 - 8

25 - 16 - 8

- 41 - 8

- 49

Answer 2

Answer:

this value is1

Step-by-step explanation:

given---a=5and b=4

a²-b²-2b

(5)²-(4)²-2(4)

25-16-8

25-25

1