Question

(-4)²:(-2) + raiz quadrada de 81 x(5-6)

Answer 1

16/-2+V81.-1
-8+V81.V-1
-8+9.i
1i
i

Answer 2

(-4)²÷ (-2) +√81 x(5-6)
16 ÷ (-2) +9x -1=
8 +9x -1=
9x= -8 -1
9x= -9
x= -9/9
x= -1