Question

X + 1 by 2 whole square minus x minus 1 by 2 whole square ​

Answer 1

Answer:

(a+b/2) whole square minus (a-b/2) whole square is 4ab/4=ab.. . From the above problem a=X, b=1. Therefore answer is X*1=X.

Answer 2

Answer:

1 square mines 1 by 2 square multiple 1 square mines 1by 3square