document.write( "Question 1067826: How to factorise: a^2-4b^2+a-2b
\n" ); document.write( "I know the answer, but please help me with a step by step solution!
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Algebra.Com's Answer #682993 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "not helping.\r
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\n" ); document.write( "\n" ); document.write( "Another way
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