質問: (-175)+(12).(-13).x***
回答: \(\left(-11\right)^2\cdot x=\left(-175\right)+\left(-12\right)\cdot\left(-13\right)\cdot x\) \(121\cdot x=\left(-175\right)+156\cdot x\) \(121\cdot x-156\cdot x=-175\) \(-35\cdot x=-175\) \(x=\left(-175\right):\left(-35\right)=5\) Vậy x = 5