document.write( "Question 182728This question is from textbook
\n" ); document.write( ": I have a problem. (xsquared - 3x + 5) (x + 9). What I have so far is 5x and 45. I'm not sure how to go about the others... \n" ); document.write( "

Algebra.Com's Answer #137199 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%28x%5E2+-+3x+%2B+5%29%28x+%2B+9%29\"$
\n" ); document.write( " $\"x%5E3+-+3x%5E2+%2B+5x+%2B+9x%5E2+-+27x+%2B+45\"$
\n" ); document.write( " $\"x%5E3+-+3x%5E2+%2B+9x%5E2+%2B+5x+-+27x+%2B+45\"$
\n" ); document.write( " $\"x%5E3+%2B+6x%5E2+-+22x+%2B+45\"$
\n" ); document.write( "---------------------------
\n" ); document.write( "I use a quick little check: suppose $\"x+=+3\"$ (or any number)
\n" ); document.write( " $\"%28x%5E2+-+3x+%2B+5%29%28x+%2B+9%29\"$
\n" ); document.write( " $\"%289+-+9+%2B+5%29%2A12+=+60\"$
\n" ); document.write( "and
\n" ); document.write( " $\"x%5E3+%2B+6x%5E2+-+22x+%2B+45\"$
\n" ); document.write( " $\"27+%2B+54+-+66+%2B+45+=+60\"$
\n" ); document.write( "OK \n" ); document.write( "

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