Final answer:
The question pertains to high school level algebra, with topics including division of polynomials, solving quadratic equations, and recognizing perfect squares. A step-by-step approach is used for each expression to arrive at a solution.
Step-by-step explanation:
The provided question consists of multiple expressions involving algebraic operations. It seems to be a collection of various equations and equations with variables. In order to provide an accurate response, it would be helpful if you could specify which specific equation or expression you would like assistance with. Once you clarify your question, I will be able to provide you with a step-by-step solution.
The question involves various mathematical expressions related to the division of polynomials, expansion, and solving quadratic equations. These topics are often covered in high school algebra and precalculus courses. When attempting to divide polynomials, we can use long division or synthetic division to simplify the expressions.
For quadratic equations, the quadratic formula is an essential tool which states for any equation of the form ax² + bx + c = 0, the solutions for x can be found using (-b ± √(b² - 4ac))/(2a). Additionally, it is important to recognize when an expression is a perfect square to simplify the equation-solving process.