document.write( "Question 1009183: good day,please
\n" ); document.write( "if a and b are the roots of the quadratic equation x^2-10x+7=0,find the value of a^4-b^4. show working thanks a lot ....
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Algebra.Com's Answer #624710 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
The a and b are \"%2810%2B-+sqrt%28100-4%2A7%29%29%2F2\",
\n" ); document.write( "\"%28100%2B-+sqrt%2872%29%29%2F2\"
\n" ); document.write( "\"%28100%2B-+sqrt%282%2A36%29%29%2F2\"
\n" ); document.write( "\"%28100%2B-+6sqrt%282%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight_green%2850%2B-+3sqrt%282%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "Unfinished. Question now asks for \"a%5E4-b%5E4\".
\n" ); document.write( "You might want to try (a^2-b^2)(a^2+b^2).
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