Answer:
+2
Step-by-step explanation:
=> 
=> 
<em>Arranging it in descending order</em>
=> 
<u><em>So, the coefficient of x² in this expression is +2</em></u>
67+52+x=180
119+x=180
x=61
hope this helps!
the equation to be used would be x=180-(67+52)
Answer:
.12314
Step-by-step explanation:
First you add 3 and 2 so that is 5 and then you subtract 5 from 9 so the answer is 4.