document.write( "Question 1201186: (x ^ 2 - 8x + 7)/(x ^ 2 - 6x - 7) / ((x ^ 2 + 7x + 6)/(x ^ 2 - x - 42)) \n" ); document.write( "

Algebra.Com's Answer #835464 by ikleyn(52778) $\"\"$ $\"About$

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document.write( "Factor each trinomial mentally\r\n" );
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document.write( "    x^2 -8x + 7 = (x-1)*(x-7)\r\n" );
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document.write( "    x^2 -6x - 7 = (x-7)*(x+1)\r\n" );
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document.write( "    x^2 +7x + 6 = (x+1)*(x+6)\r\n" );
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document.write( "    x^2 -x - 42 = (x-7)*(x+6)\r\n" );
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document.write( "Then write your expression as the product of fractions and make all necessary reductions.\r\n" );
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document.write( "As simple as 2 x 2 = 4.\r\n" );
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