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The expression x^2 + 13x + 30 can be written as (x + a)(x + b), and the expression x^2 + 6x + 9 written as (x + b)(x + c), where a, b, and c are integers. What is the value of a+b+c?

 Jul 4, 2022
 #1
avatar+124676 
+1

x^2 + 13x+ 30  = (x + 10) (x + 3)

 

x^2 + 6x + 9  = (x + 3) ( x + 3)

 

a  + b + c =  

 

10 + 3 + 3 =   

 

16

 

 

cool cool cool

 Jul 4, 2022

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