`x + 7/6 = -1/2`
`x = -1/2 - 7/6`
`x = -6/12 - 14/12`
`x = -20/12`
`x = -5/4`
TH1 :`( x - 1/4 )^2 = 4/25`
`( x - 1/4 )^2 = (2/5)^2`
`x - 1/4 = 2/5`
`x = 2/5 + 1/4`
`x = 8/20 + 5/20`
`x = 13/20`
TH2 : `( x - 1/4 )^2 = 4/25`
`( x - 1/4 )^2 = ( -2/5 )^2`
`x - 1/4 = -2/5`
`x = -2/5 + 1/4`
`x = -8/20 + 5/20`
`x = -3/20`