The problem says that the expression (3x + 5)(5x − 1) <span>represents the area of the floor of the building in square meters. Therefore, to solve this problem you have to follow the proccedure shown below.
1. First, to simplify the expression (3x + 5)(5x − 1) you must apply the distributive property. Then, you obtain:
15x</span>²-3x+25x-5
2. Then, you have:
15x²+22x-5
3. As you can see, the correct answer is the last option: 15x²+22x-5
(5, 90)
You can solve both equations for y and then set equal to each other. Then use the quadratic equation to solve for x
John sold 30U
Rick sold 25U
So, Rick sold 5 fewer units than John.
Hope that helps.
Answer:
the answer is 3.37723077E13
Step-by-step explanation: