Answer :

[tex]\\ \sf\longmapsto x^2-36=0[/tex]

  • Take 36to right

[tex]\\ \sf\longmapsto x^2=36[/tex]

[tex]\\ \sf\longmapsto x=\sqrt{36}[/tex]

[tex]\\ \sf\longmapsto x=\pm 6[/tex]

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