Step-by-step explanation:
A quadratic graph will surely help you find the solutions
X2-x-2=0
x1=2 x2= -1
Substitute each of the x value in the original equation to get the y value
(2)^2-(2)-2= 0 (2,0)
(-1)^2-(-1)-2=-2 (-1,-2)
plot the coordinates on the graph,the graph should be a curve
 
        
             
        
        
        
Answer: 9 * (5 - y)
Explanation:
Times: multiplication 
Difference: subtraction 
y: the unknown variable
        
             
        
        
        
Divide 7 by 32 and go from there
        
             
        
        
        
Answer: point W
Step-by-step explanation: