document.write( "Question 623354: for the following:
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document.write( "7*(2+3t)^2
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document.write( "I get the answer: 28 + 84t + 21t^2
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document.write( "what am I doing wrong?? \n" );
document.write( "
Algebra.Com's Answer #392045 by lenny460(1073)![]() ![]() You can put this solution on YOUR website! 7(2 + 3t)^2\r \n" ); document.write( "\n" ); document.write( "We use the order of operations - PEMDAS - Parentheses, Exponents, Multiplication, Division, Addition and Subtraction.\r \n" ); document.write( "\n" ); document.write( "(2 + 3t)^2\r \n" ); document.write( "\n" ); document.write( "We Multiply the above using the FOIL Method:\r \n" ); document.write( "\n" ); document.write( "(2 + 3t)(2 + 3t)\r \n" ); document.write( "\n" ); document.write( "2 * 2 = 4\r \n" ); document.write( "\n" ); document.write( "2 * 3t = 6t\r \n" ); document.write( "\n" ); document.write( "3t * 2 = 6t\r \n" ); document.write( "\n" ); document.write( "3t * 3t = 9t^2\r \n" ); document.write( "\n" ); document.write( "4 + 6t + 6t + 9t^2\r \n" ); document.write( "\n" ); document.write( "Combine like terms:\r \n" ); document.write( "\n" ); document.write( "6t + 6t = 12t\r \n" ); document.write( "\n" ); document.write( "4 + 12t + 9t^2\r \n" ); document.write( "\n" ); document.write( "7(4 + 12t + 9t^2)\r \n" ); document.write( "\n" ); document.write( "7 * 4 = 28\r \n" ); document.write( "\n" ); document.write( "7 * 12t = 84t\r \n" ); document.write( "\n" ); document.write( "7 * 9t^2 = 63t^2\r \n" ); document.write( "\n" ); document.write( "The Answer:\r \n" ); document.write( "\n" ); document.write( "28 + 84t + 63t^2\r \n" ); document.write( "\n" ); document.write( "or to put it in the correct order:\r \n" ); document.write( "\n" ); document.write( "63t^2 + 84t + 28\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "obuong3@aol.com \n" ); document.write( " |