Answer:
Step-by-step explanation:
Use PEMDAS rules
In this problem, according to PEMDAS , inner brackets should be solved the division and finally multiplication.
3[ (15 - 3)² ÷ 4] = 3[(12)² ÷ 4] {Now find the square of 12}
= 3[144 ÷ 4] {Now do division}
=3 * 36 {Finally multiplication}
= 108
