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Use a calculation device to write x^2+12x−11 in the form (x−h)^2+k Note: the numbers h and k can be + or - 

 

x^2 + 12x - 11 (_______________)^2 + (_________)

 Nov 20, 2018

Best Answer 

 #1
avatar+16286 
+2

x^2 +12x     - 11           Let's kinda 'complete the square'

x^2 + 12x  + 36    -36  -11

(x+6)^2  -47

 Nov 20, 2018
 #1
avatar+16286 
+2
Best Answer

x^2 +12x     - 11           Let's kinda 'complete the square'

x^2 + 12x  + 36    -36  -11

(x+6)^2  -47

ElectricPavlov Nov 20, 2018

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