document.write( "Question 292130: The Sum of (3-the square root of 5) + (2-the square root of 45). We just where introduced to imagnary numbers but i wasnt sure if those symbols came into play here \n" ); document.write( "

Algebra.Com's Answer #211116 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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The Sum of (3-the square root of 5) + (2-the square root of 45).
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\n" ); document.write( " $\"%283-sqrt%285%29%29+%2B+%282-sqrt%2845%29%29\"$
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\n" ); document.write( "Factor 45 inside the radical to reveal a perfect square
\n" ); document.write( " $\"%283-sqrt%285%29%29+%2B+%282-sqrt%289%2A5%29%29\"$
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\n" ); document.write( "Extract the 3
\n" ); document.write( " $\"%283-sqrt%285%29%29+%2B+%282-3sqrt%285%29%29\"$
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\n" ); document.write( "group like terms
\n" ); document.write( " $\"3+%2B+2+-sqrt%285%29+-+3sqrt%285%29\"$
\n" ); document.write( ":
\n" ); document.write( " $\"5+-+4sqrt%285%29\"$
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