EVOLUTION-MANAGER

Edit File: mathml.xml

<?xml version="1.0"?> <!-- x2 + 4x + 4 =0 --> <!DOCTYPE mrow SYSTEM "mathml.dtd" [ <!ENTITY invisibletimes "invisible"> ]> <mrow> <mrow> <msup> <mi>x</mi> <mn>2</mn> </msup> <mo>+</mo> <mrow> <mn>4</mn> <mo>&invisibletimes;</mo> <mi>x</mi> </mrow> <mo>+</mo> <mn>4</mn> </mrow> <mo>=</mo> <mn>0</mn> </mrow>