document.write( "Question 715207: why would 4 plus/minus the square root of 32 divided by 2 equal 2 plus or minus the square root of 8 and not be 2 plus or minus the square root of 16 ? \n" ); document.write( "
Algebra.Com's Answer #853445 by MathTherapy(10660)\"\" \"About 
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document.write( "why would 4 plus/minus the square root of 32 divided by 2 equal 2 plus or minus the square root of 8 and not be 2 plus or minus the square root of 16 ? \r\n" );
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document.write( "This obviously is the calculation of the roots, using this, the quadratic equation formula.\r\n" );
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document.write( "You gave: \"%284+%2B-+sqrt%2832%29%29%2F2\" = \"%284+%2B-+sqrt%2816+%2A+2%29%29%2F2\" = \"%284+%2B-+sqrt%2816%29%2Asqrt%282%29%29%2F2\" = \"%284+%2B-+4sqrt%282%29%29%2F2\" = \"%282%282+%2B-+2sqrt%282%29%29%29%2F2\" = \"%28cross%282%29%282+%2B-+2sqrt%282%29%29%29%2Fcross%282%29\" = \"highlight%282+%2B-+2sqrt%282%29%29\", or \"2+%2B-+sqrt%288%29\"
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