質問: 44) Factories : 4x(sq)+9y(sq)+16z(sq)+12xy-24yz-16×z . 44) Factories : 4x(sq)+9y(sq)+16z(sq)+12xy-24yz-16×z .
回答: **Answer:** (-2x-3y+4z)2 **Step-by-step explanation:** use identity :- (a+b+c)2=a2+b2+c2+2ab+2bc+2ca