document.write( "Question 79386: Factor completely and FOIL\r
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Algebra.Com's Answer #56981 by tutorcecilia(2152)\"\" \"About 
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x^2 + 9x + 20
\n" ); document.write( "Factor 20: 4 x 5 will add up to the middle term (4+5=9, so,
\n" ); document.write( "(x+4)(x+5)
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\n" ); document.write( "Using FOIL to multiply:
\n" ); document.write( "xx+5x+4x+(4)(5)
\n" ); document.write( "x^2+9x+20
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