document.write( "Question 481771: Can someone please help me factorise the following
\n" ); document.write( "1) 18x^2-96x+128
\n" ); document.write( "2) 45y^4z-80y^2z^3
\n" ); document.write( "3) x^4+5x^3-7x^2-5x+6 given(x^2-1) is a factor.
\n" ); document.write( "Thank you very much
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Algebra.Com's Answer #329855 by Vivek g(3)\"\" \"About 
You can put this solution on YOUR website!
Age x yrs.
\n" ); document.write( "Age 30-x yrs.
\n" ); document.write( "X(30-x)=216
\n" ); document.write( "30x-x^2-216=0
\n" ); document.write( "x^2-30x+216=0. On sol. We get x=36. Ages are 6 and 36
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