Derive the state equation of the sequential circuit shown below

A$($t$+1)=$AB$\text{'}+$Ax$\text{'}+$A'Bx $,$ B$($t$+1)=$B$\text{'}$x$\text{'}+$Bx

A$($t$+1)=$AB$\text{'}+$Ax$\text{'}+$A'Bx $,$ B$($t$+1)=$Bx$\text{'}+$B$\text{'}$x

A$($t$+1)=$AB$\text{'}+$Ax$\text{'},$ B$($t$+1)=$B$\text{'}$x$\text{'}+$Bx