<svg xmlns="http://www.w3.org/2000/svg" xmlns:wrs="http://www.wiris.com/xml/mathml-extension" height="45" width="210" wrs:baseline="30"><!--MathML: <math xmlns="http://www.w3.org/1998/Math/MathML"><mo>&#x21D2;</mo><mi mathvariant="normal">&#xA0;</mi><mo>(</mo><mfrac><mi mathvariant="normal">a</mi><mn>2</mn></mfrac><msup><mo>)</mo><mn>2</mn></msup><mo>+</mo><mn>12</mn><msqrt><msup><mrow><mn>3</mn><mo>)</mo></mrow><mn>2</mn></msup></msqrt><mo>=</mo><mfrac><msqrt><mn>3</mn></msqrt><mn>4</mn></mfrac><mo>&#xD7;</mo><msup><mi mathvariant="normal">a</mi><mn>2</mn></msup></math>--><defs><style type="text/css">@font-face{font-family:'math18c7749a448c160dd52e3eea9d2';src:url(data:font/truetype;charset=utf-8;base64,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)format('truetype');font-weight:normal;font-style:normal;}@font-face{font-family:'round_brackets18549f92a457f2409';src:url(data:font/truetype;charset=utf-8;base64,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)format('truetype');font-weight:normal;font-style:normal;}</style></defs><text font-family="math18c7749a448c160dd52e3eea9d2" font-size="16" text-anchor="middle" x="10.5" y="30">&#x21D2;</text><text font-family="round_brackets18549f92a457f2409" font-size="16" text-anchor="middle" x="27.5" y="30">(</text><line stroke="#000000" stroke-linecap="square" stroke-width="1" x1="31.5" x2="43.5" y1="24.5" y2="24.5"/><text font-family="Arial" font-size="16" text-anchor="middle" x="37.5" y="19">a</text><text font-family="Arial" font-size="16" text-anchor="middle" x="37.5" y="41">2</text><text font-family="round_brackets18549f92a457f2409" font-size="16" text-anchor="middle" x="48.5" y="30">)</text><text font-family="Arial" font-size="12" text-anchor="middle" x="54.5" y="23">2</text><text font-family="math18c7749a448c160dd52e3eea9d2" font-size="16" text-anchor="middle" x="65.5" y="30">+</text><text font-family="Arial" font-size="16" text-anchor="middle" x="82.5" y="30">12</text><polyline fill="none" points="12,-20 11,-20 5,0 2,-8" stroke="#000000" stroke-linecap="square" stroke-width="1" transform="translate(91.5,32.5)"/><polyline fill="none" points="5,0 2,-8 0,-7" stroke="#000000" stroke-linecap="square" stroke-width="1" transform="translate(91.5,32.5)"/><line stroke="#000000" stroke-linecap="square" stroke-width="1" x1="103.5" x2="127.5" y1="12.5" y2="12.5"/><text font-family="Arial" font-size="16" text-anchor="middle" x="109.5" y="30">3</text><text font-family="round_brackets18549f92a457f2409" font-size="16" text-anchor="middle" x="116.5" y="30">)</text><text font-family="Arial" font-size="12" text-anchor="middle" x="122.5" y="23">2</text><text font-family="math18c7749a448c160dd52e3eea9d2" font-size="16" text-anchor="middle" x="136.5" y="30">=</text><line stroke="#000000" stroke-linecap="square" stroke-width="1" x1="147.5" x2="175.5" y1="24.5" y2="24.5"/><polyline fill="none" points="12,-16 11,-16 5,0 2,-6" stroke="#000000" stroke-linecap="square" stroke-width="1" transform="translate(149.5,20.5)"/><polyline fill="none" points="5,0 2,-6 0,-5" stroke="#000000" stroke-linecap="square" stroke-width="1" transform="translate(149.5,20.5)"/><line stroke="#000000" stroke-linecap="square" stroke-width="1" x1="161.5" x2="173.5" y1="4.5" y2="4.5"/><text font-family="Arial" font-size="16" text-anchor="middle" x="167.5" y="19">3</text><text font-family="Arial" font-size="16" text-anchor="middle" x="161.5" y="41">4</text><text font-family="math18c7749a448c160dd52e3eea9d2" font-size="16" text-anchor="middle" x="185.5" y="30">&#xD7;</text><text font-family="Arial" font-size="16" text-anchor="middle" x="197.5" y="30">a</text><text font-family="Arial" font-size="12" text-anchor="middle" x="205.5" y="23">2</text></svg>