document.write( "Question 205615: please help me to factor this expression:x^2-kx-30 \n" ); document.write( "
Algebra.Com's Answer #155253 by checkley77(12844)\"\" \"About 
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x^2-kx-30
\n" ); document.write( "(x-6)(x+5) thus k=1
\n" ); document.write( "(x-10)(x+3) thus k=7
\n" ); document.write( "(x-15)(x+2) thus k=13
\n" ); document.write( "(x-30)(x+1) thus k=29
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