+0  
 
-1
72
2
avatar+204 

If $(2x+5)(x-3)=14$, find the sum of the possible values of $x$.

 Feb 22, 2021
 #1
avatar+944 
+2

\(2x^2 - x - 15 = 14\)

 

\(2x^2 - x - 29 = 0\)

 

sum = -b/a = -(-1/2) = 1/2

 

note: sniped

 Feb 22, 2021
 #2
avatar+147 
+1

First I simplified the equation. Then I used the quadratic formula and added the two solutions. I got 1/2 as the answer.

 Feb 22, 2021

22 Online Users

avatar
avatar