document.write( "Question 998847: Factor the difference of two squares.
\n" ); document.write( "(2x + 5)^2 − (x − 4)^2 \n" ); document.write( "

Algebra.Com's Answer #616592 by MathLover1(20850) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( " $\"%282x+%2B+5%29%5E2+-+%28x+-+4%29%5E2\"$ ....recall: $\"a%5E2+-+b%5E2=%28a-b%29%28a%2Bb%29\"$ \r
\n" ); document.write( "\n" ); document.write( "in your case $\"a=%282x+%2B+5%29\"$ and $\"b=%28x+-+4%29\"$ ; so, you have\r
\n" ); document.write( "\n" ); document.write( " $\"%28%282x+%2B+5%29+-+%28x+-+4%29%29%28%282x+%2B+5%29+%2B%28x+-+4%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%282x+%2B+5+-+x+%2B4%29%282x+%2B+5+%2Bx+-+4%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28x+%2B+9%29%283x+%2B+1%29\"$ \n" ); document.write( "

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