document.write( "Question 274328: x^2+10x-128. I've had this problem a few times now (I'm a tutor myself) and it asks to solve for x. I just cannot factor this. Please help me refresh my algebra skills and help me find a way to solve for x on this one. Thank you. \n" ); document.write( "
Algebra.Com's Answer #200243 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "It doesn't factor over the rationals. Check the discriminant, that is . Works out to 612. Not a perfect square. In fact, the best you can do is \r
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\n" ); document.write( "\n" ); document.write( "Exact solution set: using the quadratic formula.\r
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\n" ); document.write( "\n" ); document.write( "Of course the trinomial does factor -- it is just uglier than a mud fence:\r
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\n" ); document.write( "\n" ); document.write( "John
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