data/snuggletex/184.mml
<math xmlns="http://www.w3.org/1998/Math/MathML"><msubsup><mo>∑</mo><mrow><mi>ℓ</mi><mo>=</mo><mn>0</mn></mrow><mi>n</mi></msubsup><msub><mi>T</mi><mi>ℓ</mi></msub><mfenced close=")" open="("><mi>x</mi></mfenced><msup><mi>x</mi><mrow><mi>n</mi><mo>-</mo><mi>ℓ</mi></mrow></msup><mo>=</mo><msub><mi>U</mi><mi>n</mi></msub><mfenced close=")" open="("><mi>x</mi></mfenced></math>