Yea the answer is negative 30
        
                    
             
        
        
        
Answer:
5x^2 + 4x - 8 Hope this helps! I think this is right, but it's hard to tell from the problem. 
Step-by-step explanation:
 
        
             
        
        
        
Answer:  x= 20
 
Step-by-step explanation:
If m and n are parallel then the  3x and 2x+20 has to have the same measures which means they have to equal each other . So set them equal each other and solve for x. 
2x + 20 = 3x 
-2x            -2x 
  20 = 1x 
  x= 20 
 
        
             
        
        
        
Cant see very well repost and I will try to help
        
             
        
        
        
<span>=<span><span><span><span><span>(3)</span><span>(x)</span></span>+<span><span>(3)</span><span>(4)</span></span></span>+<span><span>(2)</span><span>(<span>5x</span>)</span></span></span>+<span><span>(2)</span><span>(2)
</span></span></span></span><span>=<span><span><span><span>3x</span>+12</span>+<span>10x</span></span>+<span>4
</span></span></span><span>=<span><span><span><span>3x</span>+12</span>+<span>10x</span></span>+4
</span></span><span>=<span><span>(<span><span>3x</span>+<span>10x</span></span>)</span>+<span>(<span>12+4</span>)
</span></span></span><span>=<span><span>13x</span>+<span>16
Answer = </span></span></span><span>13x</span>+<span>16
(hope this helps)</span>