mml=<math xmlns="http://www.w3.org/1998/Math/MathML"><mstyle mathsize="12px"><mrow><msup><mrow><mo>&#x21D2;</mo><mi mathvariant="normal">x</mi></mrow><mn>2</mn></msup><mo>=</mo><mn>6</mn><mo>+</mo><msqrt><mn>6</mn><mo>+</mo><mi mathvariant="normal"></mi><msqrt><mn>6</mn><mo>+</mo><mi mathvariant="normal"></mi></msqrt></msqrt><mo>&#x2026;</mo><mo>.</mo><mo>.</mo><mspace linebreak="newline"/><msup><mrow><mo>&#x21D2;</mo><mi mathvariant="normal">x</mi></mrow><mn>2</mn></msup><mo>=</mo><mn>6</mn><mo>+</mo><mi mathvariant="normal">x</mi><mspace linebreak="newline"/><msup><mrow><mo>&#x21D2;</mo><mi mathvariant="normal">x</mi></mrow><mn>2</mn></msup><mo>-</mo><mi mathvariant="normal">x</mi><mo>-</mo><mn>6</mn><mo>=</mo><mn>0</mn><mspace linebreak="newline"/><mo>&#x21D2;</mo><mi mathvariant="normal">x</mi><mfenced separators="|"><mrow><mi mathvariant="normal">x</mi><mo>-</mo><mn>3</mn></mrow></mfenced><mo>+</mo><mn>2</mn><mfenced separators="|"><mrow><mi mathvariant="normal">x</mi><mo>-</mo><mn>3</mn></mrow></mfenced><mo>=</mo><mn>0</mn><mspace linebreak="newline"/><mo>&#x21D2;</mo><mfenced separators="|"><mrow><mi mathvariant="normal">x</mi><mo>+</mo><mn>2</mn></mrow></mfenced><mfenced separators="|"><mrow><mi mathvariant="normal">x</mi><mo>-</mo><mn>3</mn></mrow></mfenced><mo>=</mo><mn>0</mn><mspace linebreak="newline"/><mo>&#x2234;</mo><mi mathvariant="normal">x</mi><mo>=</mo><mn>3</mn><mo>&#xA0;</mo><mi mathvariant="normal"></mi><mi>&#x915;&#x94D;&#x92F;&#x94B;&#x902;&#x915;&#x93F;</mi><mo>&#xA0;</mo><mi mathvariant="normal">x</mi><mo>&#xA0;</mo><mo>&#x2260;</mo><mo>-</mo><mn>2</mn></mrow></mstyle></math>