document.write( "Question 153127: x^32x^2-36x-72=0 \n" ); document.write( "
Algebra.Com's Answer #112630 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "I'm assuming that the equation should look like this: \"x%5E3%2B2x%5E2-36x-72=0\"
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\n" ); document.write( "\n" ); document.write( "\"x%5E3%2B2x%5E2-36x-72=0\" Start with the given expression\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%5E3%2B2x%5E2%29%2B%28-36x-72%29=0\" Group like terms\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%28x%2B2%29-36%28x%2B2%29=0\" Factor out the GCF \"x%5E2\" out of the first group. Factor out the GCF \"-36\" out of the second group\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%5E2-36%29%28x%2B2%29=0\" Since we have the common term \"x%2B2\", we can combine like terms\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%2B6%29%28x-6%29%28x%2B2%29=0\" Factor \"x%5E2-36\" to get \"%28x%2B6%29%28x-6%29\"\r
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\n" ); document.write( "\n" ); document.write( "Now set each factor equal to zero:\r
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\n" ); document.write( "\n" ); document.write( "\"x%2B6=0\", \"x-6=0\" or \"x%2B2=0\"\r
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\n" ); document.write( "\n" ); document.write( "Now solve for x for each factor:\r
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\n" ); document.write( "\n" ); document.write( "\"x=-6\", \"x=6\" or \"x=-2\"\r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x=-6\", \"x=6\" or \"x=-2\"\r
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