document.write( "Question 78823: Subtract
\n" ); document.write( "4x^2 – 5x from the sum of 9x^2 – 2 and 6x – 1.\r
\n" ); document.write( "\n" ); document.write( "This is my answer is it right?
\n" ); document.write( "–5x^2 – x + 1\r
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Algebra.Com's Answer #56662 by fetter6(6)\"\" \"About 
You can put this solution on YOUR website!
From the statement of the question, we should write:\r
\n" ); document.write( "\n" ); document.write( "{(9x^2-2)+(6x-1)}-(4x^2-5x) = 9x^2-2+6x-1-4x^2+5x = 5x^2+11x-3\r
\n" ); document.write( "\n" ); document.write( "The key to this was distributing the (-) sign through the binomial (4x^2-5x).\r
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