$$\left. \begin{array} { l } { 17 x + 12 = 3 , 275 x = - 3 , 245 43 = 5 , 6 } \\ { 75 x ^ { 2 } 25 x = 910136 x + 5 , 5015 x + 5 , 6025 x + 813 = 727 , 782 \right.$$
