document.write( "Question 1175792: Find BA when A = 5 -3 and B= 2 2
\n" ); document.write( " -3 2 -2 6\r
\n" ); document.write( "\n" ); document.write( "I tried 2*5+2*-3 2*-3+2*2
\n" ); document.write( " -2*5+6*-3 -2*-3+6*2 and got 4 2
\n" ); document.write( " -8 18 \n" ); document.write( "
Algebra.Com's Answer #801473 by ikleyn(52800)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "    B * A = \"%28matrix%282%2C2%2C+2%2C2%2C+-2%2C6%29%29\" . \"%28matrix%282%2C2%2C+5%2C-3%2C+-3%2C2%29%29\" =  = \"%28matrix%282%2C2%2C+4%2C+-2%2C++-28%2C+18%29%29\".\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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\n" ); document.write( "\n" ); document.write( "To see the formula for  2x2-matrices,  look into this  Wikipedia article\r
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\n" ); document.write( "\n" ); document.write( "https://en.wikipedia.org/wiki/Matrix_multiplication_algorithm\r
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