document.write( "Question 771223: what is the answer for this problem by factoring by grouping 25(9x-9y)^2+20(9x-9y)+4 \n" ); document.write( "
Algebra.Com's Answer #470072 by nerdybill(7384)\"\" \"About 
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25(9x-9y)^2+20(9x-9y)+4
\n" ); document.write( "25(9x-9y)^2+10(9x-9y)+10(9x-9y)+4
\n" ); document.write( "[25(9x-9y)^2+10(9x-9y)] + [10(9x-9y)+4]
\n" ); document.write( "5(9x-9y)[5(9x-9y)+2] + 2[5(9x-9y)+2]
\n" ); document.write( "(5(9x-9y)+2)(5(9x-9y) + 2)
\n" ); document.write( "(5*9(x-y)+2)(5*9(x-y) + 2)
\n" ); document.write( "(45(x-y)+2)(45(x-y) + 2)
\n" ); document.write( "(45(x-y)+2)^2
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