document.write( "Question 342743: solutions to the problem 16x^2-64=0 \n" ); document.write( "
Algebra.Com's Answer #245300 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "\"16x%5E2-64=0\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"16x%5E2-64\" is in the form of \"Ax%5E2%2BBx%2BC\" where \"A=16\", \"B=0\", and \"C=-64\"\r
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\n" ); document.write( "\n" ); document.write( "Let's use the quadratic formula to solve for \"x\":\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-B+%2B-+sqrt%28+B%5E2-4AC+%29%29%2F%282A%29\" Start with the quadratic formula\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28%280%29+%2B-+sqrt%28+%280%29%5E2-4%2816%29%28-64%29+%29%29%2F%282%2816%29%29\" Plug in \"A=16\", \"B=0\", and \"C=-64\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%280+%2B-+sqrt%28+0-4%2816%29%28-64%29+%29%29%2F%282%2816%29%29\" Square \"0\" to get \"0\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%280+%2B-+sqrt%28+0--4096+%29%29%2F%282%2816%29%29\" Multiply \"4%2816%29%28-64%29\" to get \"-4096\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%280+%2B-+sqrt%28+0%2B4096+%29%29%2F%282%2816%29%29\" Rewrite \"sqrt%280--4096%29\" as \"sqrt%280%2B4096%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%280+%2B-+sqrt%28+4096+%29%29%2F%282%2816%29%29\" Add \"0\" to \"4096\" to get \"4096\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%280+%2B-+sqrt%28+4096+%29%29%2F%2832%29\" Multiply \"2\" and \"16\" to get \"32\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%280+%2B-+64%29%2F%2832%29\" Take the square root of \"4096\" to get \"64\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%280+%2B+64%29%2F%2832%29\" or \"x+=+%28-0+-+64%29%2F%2832%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2864%29%2F%2832%29\" or \"x+=++%28-64%29%2F%2832%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+2\" or \"x+=+-2\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x+=+2\" or \"x+=+-2\"
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\n" ); document.write( "\n" ); document.write( "If you need more help, email me at jim_thompson5910@hotmail.com\r
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\n" ); document.write( "\n" ); document.write( "Also, feel free to check out my tutoring website\r
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\n" ); document.write( "\n" ); document.write( "Jim
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