Answer:
Explanation:
If you multiply (x - k)(x + k), you get 
which is equal to 
. Now you can see that 
must be equal to 
which is equal to 
. Now we just need to solve 
. The final answer is 
.
The architectural construction method that consists of two uprights and a crossbeam is called post-and-lintel system
<h3>What are the building construction members?</h3>
The architectural construction method that consists of two uprights and a crossbeam is called post-and-lintel system. This is because in building construction, a system in which two upright members, the posts, hold up a third member, the lintel, laid horizontally across their top surfaces.
The post-and-lintel system is a simple method of construction involving the use of vertical and horizontal elements. The verticals support the horizontals, creating one Storey of a building. Additional verticals can be placed atop the horizontals to create structures with more than one level.
Read more about Construction members at; brainly.com/question/16946611
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I dont know who you are but good luck and enjoy:)
0.53
0.65
2/3
5
hope that helped
