Question

Hi there
Can u pls help me to do this!!

Answer 1

Answer:

5/2

is the answer

Step-by-step explanation:

see when we substitute we get 5²-5/2×4

which is equal to 20/8=5/2

Answer 2

Step-by-step explanation:

ok

5²-5/2×4=5/2

6²-6/2×5=6/2

your answer is given