document.write( "Question 177960: Factor completely 16x^4 – 40x^2 + 9 \n" ); document.write( "
Algebra.Com's Answer #132923 by Mathtut(3670)\"\" \"About 
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\n" ); document.write( "remember the leading term is just a multiple of the 1st terms of the factors
\n" ); document.write( " and the constant terms is just a multiple of the last terms of the factors.
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\n" ); document.write( "That is where you begin. One just starts playing with combinations that will equal the middle term when multiplied together.
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