awesome1asoldier awesome1asoldier

19-08-2021
Mathematics

contestada

Complete the square: x^2-8x+21=6

Please show work

Respuesta :

badtestbot28 badtestbot28

19-08-2021

Answer:

x=5 and 3

Step-by-step explanation:

x^2-8x+21=6

x^2-8x+21+16=6+16

(x-4)^2=1

(x-4)=±1, x=5 and 3

Answer Link

blxnkalt0108 blxnkalt0108

19-08-2021

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