document.write( "Question 331561: Multiplty. (3√5-9√7)(2√5+6√7)
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Algebra.Com's Answer #237652 by JBarnum(2146) $\"\"$ $\"About$

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$\"%283sqrt%285%29-9sqrt%287%29%29%282sqrt%285%29%2B6sqrt%287%29%29\"$ foil
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\n" ); document.write( " multiply
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\n" ); document.write( " $\"%286sqrt%2825%29%29%2B%2818sqrt%2835%29%29%2B%28-18sqrt%2835%29%29-%2854sqrt%2849%29%29\"$ factor and cancel
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\n" ); document.write( " $\"%286%2A5%29%2Bcross%2818sqrt%2835%29%29%2Bcross%28-18sqrt%2835%29%29-%2854%2A7%29%29\"$
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\n" ); document.write( " $\"%286%2A5%29-%2854%2A7%29\"$ multiply
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\n" ); document.write( " $\"%2830%29-%28378%29\"$ subtract
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\n" ); document.write( " $\"highlight%28-348%29\"$ \n" ); document.write( "

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