3·m - 2/3 - 2·m + 1/4 = 2/12
m - 2/3 + 1/4 = 2/12
m = 2/12 - 3/12 + 8/12
m = 7/12
12x^2y^2+2xy-2 with problems like these use the app “Photomath” it will help you a lot.
Answer:
±11
11*11=121
-11*-11=121