centerbaseline=false
mml=<math xmlns="http://www.w3.org/1998/Math/MathML"><mn>3</mn><mi>tan</mi><mfenced><mrow><mn>3</mn><mi>x</mi><mo>+</mo><mn>30</mn><mo>°</mo></mrow></mfenced><mo>-</mo><msqrt><mn>27</mn></msqrt><mo>=</mo><mn>0</mn></math>
