Question

How much is 45(2) - 44(2)?

Find the value of (39+21)​

Answer 1

45(2) - 44(2)

Taking 2 as common

= 2(45-44)

=2(1)

= 2

(39+21)

=39+21

= 60

Answer 2

Answer:

1. ans- 89

2. ans= 60

Step-by-step explanation:

45^2 - 44^2

= 2025 - 1936

= 89

(39+21)

39+21

= 60