\(125\left(-36\right)+\left(-36\right)\left(-52\right)+36\left(-27\right)+\left(-400\right)\)
\(=-36\left(125-52+27\right)+\left(-400\right)\)
\(=-36\cdot100-400\)
=-3600-400
=-4000
125(−36)+(−36)(−52)+36(−27)+(−400)
=−36(125−52+27)+(−400)
=−36⋅100−400
=-3600-400
=-4000