Just add 5 5 and 10 10 to get yo answers 
i will work
        
             
        
        
        
Answer:
x = 7
Step-by-step explanation:




 cancel 3
Then

 
        
             
        
        
        
It would be the one where measurement 1m is the side of the triangle, measurement 0.75m is the bottom of the triangle, and measurement 2m is the long side of the rectangle
        
             
        
        
        
Answer: -2x + 5x^2
Step-by-step explanation:
3x + 6x^2 - 5x - x^2 = x(3-5) + x^2(6-1) = -2x + 5x^2