kimbers kimbers

03-06-2015
Mathematics

contestada

x^2-8x+5=0 Solve by completing the square.

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konrad509 konrad509

03-06-2015

[tex]x^2-8x+5=0 \\ x^2-8x+16-11=0\\ (x-4)^2=11\\ x-4=-\sqrt{11} \vee x-4=\sqrt{11}\\ x=4-\sqrt{11} \vee x=4+\sqrt{11}\\[/tex]

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