document.write( "Question 161227: Factor a squared minus ab minus 20b squared. \n" ); document.write( "

Algebra.Com's Answer #118886 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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Factor a squared minus ab minus 20b squared.
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\n" ); document.write( "a^2 - ab - 20b
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\n" ); document.write( "Look for factors of 20 that differ by 1, then apply the necessary signs
\n" ); document.write( "(a + 4b)(a - 5b)
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\n" ); document.write( "FOIL this to confirm the solution \n" ); document.write( "

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