Question

Simplify? 4{-3+5[6-3(5+7)]}

Answer 1

Ooo, fun. Small brackets first.
=4{-3+5[6-3(12)]}
=4{-3+5[6-36]}
=4{-3+5[-30]}
=4{-3-150}
=4{-153}
=-612

I think that's about right.

Answer 2

Thank you miss