Answer:
           ______
x  =  −
0.  142857
Step-by-step explanation:
 
        
             
        
        
        
X^2+x-30 -- find two numbers that add to one and multiply to -30, which would be 6 and -5. so now you have x^2+6x-5x-30. factor out x and 5 to get x(x+6)-5(x+6). so you get (x+6)*(x-5)
        
                    
             
        
        
        
15/7 is approximately 2.143
        
             
        
        
        
I think it’s the last one but I’m not sure. Let me know if you get it right.