Answer:
42°
Step-by-step explanation:
3x + 54° = 180° [Supplementary angles]
=> 3x = 180 - 54 
=> 3x = 126

=> <u>x = 42</u><u>°</u><u> </u><u>(Ans)</u>
 
        
                    
             
        
        
        
3x² - 39x + 36
3(x²) - 3(13x) + 3(12)
3(x² - 13x + 12)
3(x² - 12x - x + 12)
3(x(x) - x(12) - 1(x) + 1(12))
3(x(x - 12) - 1(x - 12))
3(x - 1)(x - 12)
        
             
        
        
        
Answer:
192
Step-by-step explanation:
Just multiply 24 by 8.
I think thats it tho.