Question

- {-(-2)(9)+5[-9+2(-5+2)(7-32)]-54(-2)}-51

Answer 1

- {-(-2)(9)+5[-9+2(-5+2)(7-32)]-54(-2)}-51=
=-{-(-18)+5[-9+2(-3)(-25)]+108}-51
=-{18+5[-9+150]+108}-51
=-{18+5[141]+108}-51
=-{18+705+108}-51
=-{831}-51
=-831-51
=-882