document.write( "Question 592841: solve : \"+3x%5E2%2B+8x-24=0+\" \n" ); document.write( "
Algebra.Com's Answer #376090 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"3x%5E2%2B8x-24=0\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"3x%5E2%2B8x-24\" is in the form of \"Ax%5E2%2BBx%2BC\" where \"A=3\", \"B=8\", and \"C=-24\"\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-%288%29+%2B-+sqrt%28+%288%29%5E2-4%283%29%28-24%29+%29%29%2F%282%283%29%29\" Plug in \"A=3\", \"B=8\", and \"C=-24\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-8+%2B-+sqrt%28+64-4%283%29%28-24%29+%29%29%2F%282%283%29%29\" Square \"8\" to get \"64\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-8+%2B-+sqrt%28+64--288+%29%29%2F%282%283%29%29\" Multiply \"4%283%29%28-24%29\" to get \"-288\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-8+%2B-+sqrt%28+64%2B288+%29%29%2F%282%283%29%29\" Rewrite \"sqrt%2864--288%29\" as \"sqrt%2864%2B288%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-8+%2B-+sqrt%28+352+%29%29%2F%282%283%29%29\" Add \"64\" to \"288\" to get \"352\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-8+%2B-+sqrt%28+352+%29%29%2F%286%29\" Multiply \"2\" and \"3\" to get \"6\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-8+%2B-+4%2Asqrt%2822%29%29%2F%286%29\" Simplify the square root (note: If you need help with simplifying square roots, check out this solver) \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-8%2B4%2Asqrt%2822%29%29%2F%286%29\" or \"x+=+%28-8-4%2Asqrt%2822%29%29%2F%286%29\" Break up the expression.\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-4%2B2%2Asqrt%2822%29%29%2F%283%29\" or \"x+=+%28-4-2%2Asqrt%2822%29%29%2F%283%29\" Reduce\r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x+=+%28-4%2B2%2Asqrt%2822%29%29%2F%283%29\" or \"x+=+%28-4-2%2Asqrt%2822%29%29%2F%283%29\"
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