Hence, the value of the expression is 36.
Solution:
Step 1: Given expression is
.
BODMAS means do Bracket, Of, Division, Multiplication, Addition, Subtraction
Step 2: Using BODMAS rule first simplify the expression which is in bracket.
⇒

Step 3: Squaring of the number 6.
⇒

Step 4: Using BODMAS rule, divide 36 by 4.
⇒

Step 5: Using BODMAS rule, multiply 4 with 9.
⇒

Hence, the value of the expression is 36.