document.write( "Question 177430: Multiply. (5a – 3b)2 \n" ); document.write( "
Algebra.Com's Answer #132469 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"%285a-3b%29%5E2\" Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( "\"%285a-3b%29%285a-3b%29\" Expand. Remember something like \"x%5E2=x%2Ax\".\r
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\n" ); document.write( "\n" ); document.write( "Now let's FOIL the expression.\r
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\n" ); document.write( "\n" ); document.write( "Remember, when you FOIL an expression, you follow this procedure:\r
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\n" ); document.write( "\n" ); document.write( "\"%28highlight%285a%29-3b%29%28highlight%285a%29-3b%29\" Multiply the First terms:\"%285%2Aa%29%2A%285%2Aa%29=25%2Aa%5E2\".\r
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\n" ); document.write( "\n" ); document.write( "\"%28highlight%285a%29-3b%29%285a%2Bhighlight%28-3b%29%29\" Multiply the Outer terms:\"%285%2Aa%29%2A%28-3%2Ab%29=-15%2Aa%2Ab\".\r
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\n" ); document.write( "\n" ); document.write( "\"%285a%2Bhighlight%28-3b%29%29%28highlight%285a%29-3b%29\" Multiply the Inner terms:\"%28-3%2Ab%29%2A%285%2Aa%29=-15%2Aa%2Ab\".\r
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\n" ); document.write( "\n" ); document.write( "\"%285a%2Bhighlight%28-3b%29%29%285a%2Bhighlight%28-3b%29%29\" Multiply the Last terms:\"%28-3%2Ab%29%2A%28-3%2Ab%29=9%2Ab%5E2\".\r
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\n" ); document.write( "\n" ); document.write( "\"25%2Aa%5E2-15%2Aa%2Ab-15%2Aa%2Ab%2B9%2Ab%5E2\" Now collect every term to make a single expression.\r
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\n" ); document.write( "\n" ); document.write( "\"25%2Aa%5E2-30%2Aa%2Ab%2B9%2Ab%5E2\" Now combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "So \"%285a-3b%29%5E2\" FOILs to \"25%2Aa%5E2-30%2Aa%2Ab%2B9%2Ab%5E2\".\r
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\n" ); document.write( "\n" ); document.write( "In other words, \"%285a-3b%29%5E2=25%2Aa%5E2-30%2Aa%2Ab%2B9%2Ab%5E2\".
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