document.write( "Question 552603: i(2+7i)(2-7i) write in standard form\r
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Algebra.Com's Answer #360425 by AnlytcPhil(1806)\"\" \"About 
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document.write( "We need to know that iČ = -1\r\n" );
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document.write( "i(2 + 7i)(2 - 7i) =\r\n" );
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document.write( "(2i + 7iČ)(2 - 7i) =\r\n" );
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document.write( "[2i + 7(-1)](2 - 7i) =\r\n" );
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document.write( "(2i - 7)(2 - 7i) =\r\n" );
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document.write( "4i - 14iČ - 14 + 49i =\r\n" );
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document.write( "53i - 14iČ - 14 =\r\n" );
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document.write( "53i - 14(-1) - 14 =\r\n" );
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document.write( "53i + 14 - 14 =\r\n" );
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document.write( "53i\r\n" );
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document.write( "Edwin
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