Question

hoe to paste mathml here???

Answer 1

<math xmlns=" http://www.w3.org/1998/Math/MathML " display="block">
<mi>x</mi>
<mo>=</mo>
<mrow class="MJX-TeXAtom-ORD">
<mfrac>
<mrow>
<mo>&#x2212;<!-- − --></mo>
<mi>b</mi>
<mo>&#x00B1;<!-- ± --></mo>
<msqrt>
<msup>
<mi>b</mi>
<mn>2</mn>
</msup>
<mo>&#x2212;<!-- − --></mo>
<mn>4</mn>
<mi>a</mi>
<mi>c</mi>
</msqrt>
</mrow>
<mrow>
<mn>2</mn>
<mi>a</mi>
</mrow>
</mfrac>
</mrow>
<mo>.</mo>
</math>

Answer 2

it is not rendering

Answer 3

We use \(\LaTeX\) here

see

http://openstudy.com/study#/groups/LaTeX%20Practicing!%20%3A)