We have the expression:
[tex]21+4\cdot(3^2-5)[/tex]According to PEMDAS rule, we need to solve the exponents first, then the parenthesis, then the multiplication, and finally the sum in this operation. Then:
[tex]21+4\cdot(9-5)=21+4\cdot(4)=21+16=37[/tex]Then, the rresu
