document.write( "Question 780299: Can you factor 7a^3 + 28a? \n" ); document.write( "
Algebra.Com's Answer #475534 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Can you factor 7a^3 + 28a? \n" ); document.write( "---- \n" ); document.write( "Common factor:: 7a \n" ); document.write( "---- \n" ); document.write( "= 7a(a^2+4) \n" ); document.write( "---- \n" ); document.write( "If you allowed to factor over the complex numbers you get: \n" ); document.write( "---- \n" ); document.write( "= 7a(a+2i)(a-2i) \n" ); document.write( "================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================ \n" ); document.write( " |