mml=<math xmlns="http://www.w3.org/1998/Math/MathML"><mstyle mathsize="12px"><mrow><msup><mrow><mi mathvariant="normal">x</mi><mo>=</mo><mn>1</mn><mo>+</mo><msqrt><mn>2</mn></msqrt><mo>+</mo><msqrt><mn>3</mn></msqrt><mo>,</mo><mo>&#xA0;</mo><mi mathvariant="normal"></mi><mi>&#x924;&#x94B;</mi><mo>&#xA0;</mo><mo>(</mo><mn>2</mn><mi mathvariant="normal">x</mi></mrow><mn>4</mn></msup><mo>-</mo><mn>8</mn><msup><mi mathvariant="normal">x</mi><mn>3</mn></msup><mo>-</mo><mn>5</mn><msup><mi mathvariant="normal">x</mi><mn>2</mn></msup><mo>+</mo><mn>26</mn><mi mathvariant="normal">x</mi><mo>-</mo><mn>28</mn><mo>)</mo></mrow></mstyle></math>