Answer:
Step-by-step explanation:
product: -18x4 + 15x2 - 15x
the simplification just ends up being the original equation.
 
        
             
        
        
        
Answer:
None, the answer will be the same
Step-by-step explanation:
 
        
             
        
        
        
Answer:
x = 65
Step-by-step explanation:
using the Altitude- on- Hypotenuse theorem
(leg of big Δ )² = (part of hypotenuse below it ) × (whole hypotenuse)
x² = 25 × 169 = 4225 ( take square root of both sides )
x =  = 65
 = 65
 
        
             
        
        
        
Answer:
84
Step-by-step explanation: