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The quadratic x^2 - 6x + 60 can be written in the form (x + b)^2 + c, where b and c are constants. What is b + c?

 Jan 1, 2022
 #1
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I'm not sure, but I think that b + c = 48.

 Jan 1, 2022
 #2
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This is just to indicate that Straight's answer is correct:  

     x2 - 6x + 60  =  (x2 - 6x + 9) + (60 - 9)  =  (x - 3)2 + 51

 

--->     b = -3  and  c = 51

 Jan 1, 2022

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