document.write( "Question 639019: Please help me solve this equation: $\"+25%2B9r%5E4%2Br%5E8\"$ this is factor completely \n" ); document.write( "

Algebra.Com's Answer #402526 by lwsshak3(11628) $\"\"$ $\"About$

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Factor:
\n" ); document.write( " $\"+25%2B9r%5E4%2Br%5E8\"$
\n" ); document.write( "take sum of sqrt of end terms and expand by squaring
\n" ); document.write( " $\"%285%2Br%5E4%29%5E2=%2825%2B10r%5E4%2Br%5E8%29+-r%5E4\"$
\n" ); document.write( " $\"%285%2Br%5E4%29%5E2-r%5E4\"$
\n" ); document.write( "difference of 2 squares
\n" ); document.write( " $\"%285%2Br%5E4%2Br%5E2%29%285%2Br%5E4-r%5E2%29\"$
\n" ); document.write( " \n" ); document.write( "

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