Question

3 { 2 - [ 9 + 2 (1+3 )²-20 ] }=​

Answer 1

Respuesta:

3 { 2 - [ 9 + 2 (1+3 )²-20 ] } =

3{2-[9+2(4)²-20]}

3{2-[9+2(16)-20]}

3{2-[9+32-20]}

3{2-[21]}

3{-19}

-57