document.write( "Question 225153: b^4-25b^2+144 \n" ); document.write( "

Algebra.Com's Answer #168113 by LtAurora(115) $\"\"$ $\"About$

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Factoring fun:
\n" ); document.write( "Factors of 144 that add to give 25 are 9 and 16, so:
\n" ); document.write( " $\"%28b%5E2-9%29%28b%5E2-16%29\"$ is your answer.
\n" ); document.write( "They have to be negative to get the -25, and when the two negative numbers are multiplied, you get a positive 144. \n" ); document.write( "

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