document.write( "Question 39865: Multiply using the vertical method.\r
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document.write( "(a^2 + 3ab - b^2) (a^2 - 5ab + b^2) \n" );
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Algebra.Com's Answer #25501 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Okay, instead of making a long list of the nine items, we will do it vertically...so we get (ignore the spacing lines...they're there to line stuff up) \n" ); document.write( "(a^2 + 3ab - b^2)(a^2 - 5ab + b^2) = \n" ); document.write( "a^4 - 5a^3b + a^2b^2 \n" ); document.write( "____+ 3a^3b - 15a^2b^2 + 3ab^3 \n" ); document.write( "____________- a^2b^2 + 5ab^3 - b^4 = \n" ); document.write( "a^4 - 2a^3b - 15a^2b^2 + 8ab^3 - b^4 \n" ); document.write( " |