Solve the following equations:


Operating C1→C1+C2+C3




Taking (3x-2) common from C1



Operating R1→R1-R3, R2→R2-R3



Expanding with C1


0= (3x-2)(0+(3x-11)2)


0=(3x-2)(3x-11)2


Either 3x-2=0 or 3x-11=0


∴


1