Question

-3 ao quadrado+4.3-3=

Answer 1

$- 3 ^{2} + 4 \times 3 - 3 \\ 9 + 4 \times 3 - 3 \\ 9 + 12 - 3 \\ 18$

Answer 2

-3² = 9(muda o sinal) + 4×3=12 - 3 = 9

9 + 12 = 21 - 3 = 18 ou 9+9(12-3) = 18.