(1)

Did you know that the expression is a perfect square trinomial? When expanded, it becomes . This form can be particularly useful because it allows you to easily identify key features of the quadratic, such as the vertex, which is at the point .

Using this expression in real-life situations, consider a scenario where you’re calculating the area of a square with a side length of . This concept can be applied in various fields, from architecture to landscaping, where an understanding of area is essential for planning and design.