How to solve the 36 cube.First find the 6 piece and the 5 piece that are different (slightly) look inside at the middle.On mine it is orange 6 and yellow 5.Now orient the cube up. To find up the 3rd...
46x by 87y --------------√ 90Tips: If you move that 46x over the equals, and if you square both sides, you can get rid of that square root, and do the equation normally.