document.write( "Question 83230: I just need this multiplied and simplified. The hashed line is supposed to be a solid line.\r
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\n" ); document.write( "(8c² - 72) (2c – 10)
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Algebra.Com's Answer #59748 by Edwin McCravy(20065)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "I just need this multiplied and \r\n" );
document.write( "simplified. The hashed line is \r\n" );
document.write( "supposed to be a solid line. \r\n" );
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document.write( " (4c² - 100)(16c + 48)\r\n" );
document.write( "-----------------------\r\n" );
document.write( " (8c² - 72) (2c – 10) \r\n" );
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document.write( "You don't multiply, you just factor everything \r\n" );
document.write( "and cancel!\r\n" );
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document.write( "Factor 4c² - 100\r\n" );
document.write( "       4(c² - 25)\r\n" );
document.write( "       4(c - 5)(c + 5)\r\n" );
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document.write( "Factor 16c + 48\r\n" );
document.write( "       16(c + 3)\r\n" );
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document.write( "Factor 8c² - 72\r\n" );
document.write( "       8(c² - 9)\r\n" );
document.write( "       8(c - 3)(c + 3)\r\n" );
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document.write( "Factor 2c - 10\r\n" );
document.write( "       2(c - 5)\r\n" );
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document.write( "Now replace each parentheses by its factorization:\r\n" );
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document.write( "       4(c - 5)(c + 5)16(c + 3)\r\n" );
document.write( "      --------------------------\r\n" );
document.write( "       8(c - 3)(c + 3)2(c - 5)\r\n" );
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document.write( "Multiply the 4 by the 16 in the top, getting 64\r\n" );
document.write( "Multiply the 8 by the 2 in the bottom, getting 16\r\n" );
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document.write( "       64(c - 5)(c + 5)(c + 3)\r\n" );
document.write( "      -------------------------\r\n" );
document.write( "       16(c - 3)(c + 3)(c - 5)\r\n" );
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document.write( "Cancel the 16 into 64 and get 4 on top:\r\n" );
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document.write( "       4    \r\n" );
document.write( "       64(c - 5)(c + 5)(c + 3)\r\n" );
document.write( "      -------------------------\r\n" );
document.write( "       16(c - 3)(c + 3)(c - 5)\r\n" );
document.write( "       1\r\n" );
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document.write( "Cancel the (c - 5)'s\r\n" );
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document.write( "       4    1   \r\n" );
document.write( "       64(c - 5)(c + 5)(c + 3)\r\n" );
document.write( "      -------------------------\r\n" );
document.write( "       16(c - 3)(c + 3)(c - 5)\r\n" );
document.write( "       1                  1\r\n" );
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document.write( "Cancel the (c + 3)'s\r\n" );
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document.write( "       4    1             1  \r\n" );
document.write( "       64(c - 5)(c + 5)(c + 3)\r\n" );
document.write( "      -------------------------\r\n" );
document.write( "       16(c - 3)(c + 3)(c - 5)\r\n" );
document.write( "       1           1      1 \r\n" );
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document.write( "Now all that's left is\r\n" );
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document.write( "        4(c + 5)\r\n" );
document.write( "       ---------\r\n" );
document.write( "         c - 3\r\n" );
document.write( "Edwin
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