+0  
 
0
51
1
avatar

The quadratic 3x^2-24x+72 can be written in the form a(x+b)^2+c, where a, b, and c are constants. What is a+b+c?

 Aug 11, 2021
 #1
avatar+34374 
+1

3x^2-24x+72  

3 ( x^2 - 8x )    + 72      complete the square for x

 3 ( x-4)^2  - 48 + 72

3 ( x-4)^2 + 24           You can finish from here !   cheeky

 Aug 11, 2021

39 Online Users

avatar
avatar