document.write( "Question 635892: X^2+21=10x \n" ); document.write( "

Algebra.Com's Answer #400677 by sachi(548) $\"\"$ $\"About$

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X^2+21=10x
\n" ); document.write( " ans:-
\n" ); document.write( "x^2-10x+21=0
\n" ); document.write( "or x^2-3x-7x+21=0
\n" ); document.write( "or x(x-3)-7(x-3)=0
\n" ); document.write( "or (x-3)(x-7)=0
\n" ); document.write( "or x=3or7 ans \n" ); document.write( "

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