helloand welcome to khan acdemy ayai appka swgath hai khan acdemy meh aaj hum Order of Operation karne wale hain aur hum apko sikhanienge acha too hum simplify karenge aaj -1[(-7)+2(3=2)]-(5)^2 ab hame yeah yadh rakhna hai ki P E M D A S kya hota hai Parathesis, Exponents,Multiplication,addition, subtraction aur division yeh bohoth easy hai abb app bus concentratekaro or appko sub samajh aa jayega shukriya apka aur khan acdemy dekhte rahiyega isme bohoth ache educational videos hai apko majha ayega apne bach ko aur bacho sonne lo tumare bohoth kam ayega yeh