Respuesta :

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

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