document.write( "Question 1154267: 
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document.write( "a = [ 6  5]\r\n" );
document.write( "    [-5 -5] and \r\n" );
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document.write( "b = [ 5   0] \r\n" );
document.write( "    [-5  -1]\r\n" );
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document.write( "a. a + b\r\n" );
document.write( "b. 5a\r\n" );
document.write( "c. 3a - 2b\r\n" );
document.write( "d. ab
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Algebra.Com's Answer #776798 by Edwin McCravy(20054)\"\" \"About 
You can put this solution on YOUR website!
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document.write( " a = [ 6  5]\r\n" );
document.write( "     [-5 -5] \r\n" );
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document.write( "and \r\n" );
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document.write( "b = [ 5   0]\r\n" );
document.write( "    [-5  -1]\r\n" );
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document.write( "a. a + b\r\n" );
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document.write( "[ 6  5]     [ 5   0]    [ 6+5   5+0]   [ 11   5]\r\n" );
document.write( "[-5 -5]  +  [-5  -1]  = [-5-5  -5-1] = [-10  -6]  \r\n" );
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document.write( "b. 5a\r\n" );
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document.write( "  [ 6  5]   [ 5×6   5×5]   [ 30   25]\r\n" );
document.write( "5×[-5 -5] = [5×-5  5×-5] = [-25  -25] \r\n" );
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document.write( "c. \r\n" );
document.write( "         \r\n" );
document.write( "3a - 2b = \r\n" );
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document.write( "  [ 6  5]       [ 5   0]    [ 3×6   3×5]   [ 2×5   2×0]    \r\n" );
document.write( "3×[-5 -5]  -  2×[-5  -1]  = [3×-5  3×-5] - [2×-5  2×-1] =  \r\n" );
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document.write( "[ 18  15]   [ 10  0]   [    18-10      15-0]   [ 18-10   15-0]  \r\n" );
document.write( "[-15 -15] - [-10 -2] = [-15-(-10)  -15-(-2)] = [-15+10  -15+2] =\r\n" );
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document.write( "[ 8  15]\r\n" );
document.write( "[-5 -13]\r\n" );
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document.write( "d. ab\r\n" );
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document.write( "[ 6  5] [ 5   0]    [     6×5+5×(-5)       6×0+5×(-1)]   [30-25  0-5]\r\n" );
document.write( "[-5 -5]×[-5  -1]  = [(-5)×5+(-5)(-5)  (-5)×0+(-5)(-1)] = [-25+25 0+5] =\r\n" );
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document.write( "[5  -5]  \r\n" );
document.write( "[0   5]\r\n" );
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document.write( "Edwin
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