document.write( "Question 100471: multiply (x - 10)(x+ 9) \n" ); document.write( "
Algebra.Com's Answer #73160 by checkley71(8403)\"\" \"About 
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(x-10)(x+9)=x^2-10x+9x-90=x^2-x-90 answer. \n" ); document.write( "
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