If ax + (B + 3) y = 6 is a quadratic equation with respect to X and y, then the value range of a and B

If ax + (B + 3) y = 6 is a quadratic equation with respect to X and y, then the value range of a and B

Ax + (B + 3) y = 6 is a quadratic equation of two variables about X and y
x. The coefficient of y cannot be 0
a≠0,b+3≠0
a≠0,b≠-3