Factor the Expression Completely $x y - 2 t y + x s ^ { 2 } - 2 t s ^ { 2 }$

question 55

Essay

Factor the expression completely. $x y - 2 t y + x s ^ { 2 } - 2 t s ^ { 2 }$ If the expression is prime, so indicate.

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Definitions:

Downcasting

The process of converting a reference of a parent class to a reference of a subclass in object-oriented programming.

Polymorphism

A concept in object-oriented programming that allows methods to do different things based on the object that it is acting upon, supporting methods with the same name but different implementations.

Late Binding

A programming concept where method calls are resolved at runtime, allowing for more dynamic and flexible code.

Final Modifier

The final modifier in Java is a keyword used to declare a variable as unchangeable after its initial assignment, a method that cannot be overridden, or a class that cannot be subclassed.