document.write( "Question 922779: 30 + 12 (29-25)3 - 16 ÷ 4\r
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Algebra.Com's Answer #559714 by Edwin McCravy(20063)\"\" \"About 
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document.write( "30 + 12(29-25)³ - 16 ÷ 4\r\n" );
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document.write( "Do what's in the parentheses first  (29-25) becomes 4, so\r\n" );
document.write( "replace the (29-25) by (4) and copy everything else over:\r\n" );
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document.write( "30 + 12(4)³ - 16 ÷ 4\r\n" );
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document.write( "There is nothing to do in parentheses, so then we do the\r\n" );
document.write( "exponent  (4)³ means 4×4×4 or 64 so replace the (4)³ by (64)\r\n" );
document.write( "and copy everything else over:\r\n" );
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document.write( "30 + 12(64) - 16 ÷ 4\r\n" );
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document.write( "There is nothing to do in parentheses and there are no\r\n" );
document.write( "exponents, so we look for multiplications and divisions as\r\n" );
document.write( "we come to them left to right.  The first one is 12(64) which\r\n" );
document.write( "is 768.  So replace the 12(64) by 768 and copy everything else \r\n" );
document.write( "over:\r\n" );
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document.write( "30 + 768 - 16 ÷ 4\r\n" );
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document.write( "There are no parentheses or exponents, and the only multiplication\r\n" );
document.write( "or division that occurs is the 16÷4 which is 4, so replace the\r\n" );
document.write( "16÷4 by 4 and copy everything else over:\r\n" );
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document.write( "30 + 768 - 4\r\n" );
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document.write( "There are no parentheses, exponents, multiplications or divisions.\r\n" );
document.write( "So we do additions and subtractions left to right\r\n" );
document.write( "The first addition of subtraction we come to is 30+768, which \r\n" );
document.write( "equals 798, so we replace 30+768 by 798 and copy the rest over:\r\n" );
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document.write( "798-4\r\n" );
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document.write( "So we do that subtraction and get the final answer as\r\n" );
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document.write( "794\r\n" );
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document.write( "Warning!  The temptation is to do more than one thing at a time \r\n" );
document.write( "and save writing, but until you have done enough of these and \r\n" );
document.write( "become skilled it is extremely easy to do something in the\r\n" );
document.write( "wrong order and get the wrong answer.\r\n" );
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document.write( "Edwin
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