A=−6, b=0 no solution no solution – a is equal to negative 6, b is equal to 0 one solution one solution – a is equal to negative 6, b is equal to 0 a=0, b=−5 no solution no solution – a is equal to 0, b is equal to negative 5 one solution one solution – a is equal to 0, b is equal to negative 5 a=1, b=−5 no solution no solution – a is equal to 1, b is equal to negative 5 one solution one solution – a is equal to 1, b is equal to negative 5 a=−6, b=5 no solution no solution – a is equal to negative 6, b is equal to 5 one solution