lamzepp2013 lamzepp2013

09-08-2018
Mathematics

contestada

solve for x in the equation x2 - 12x + 36 = 90

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konrad509 konrad509

09-08-2018

[tex] x^2 - 12x + 36 = 90 \\
(x-6)^2=90\\
x-6=\sqrt{90} \vee x-6=-\sqrt{90}\\
x=6+3\sqrt{10} \vee x=6-3\sqrt{10} [/tex]

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