Question

Expliquenme es urgente
7x3 + [6+2 x ( 2^3 /4 + 3x2 ) - 7 x4 ] +9 /3

Answer 1

7x3+(6+2x(8/4+6)-7x4)+3
7x3+(6+2x(2+6)-7x4)+3
21+(6+2x8-28)+3
21+(6+16-28)+3
21+(22-28)+3
21-6+3
15+3
18