Question

`3(2(2) + 3) = 21`

Answer 1

Use PEMDAS:

P Parentheses first

E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right).

`3(2(2)+3)=3(4+3)=3(7)=21`