document.write( "Question 711371: I am trying to ensure I am telling my son properly on polynomials. (Been a few since I had Algebra 2)\r
\n" ); document.write( "\n" ); document.write( "-7t (3t+20)^2 Original question
\n" ); document.write( "-7t (3t+20)(3t+20)Step 1
\n" ); document.write( "Now I can't remember!!
\n" ); document.write( "

Algebra.Com's Answer #437396 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
You are stuck at multiplying the two binomials.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Arrange the terms on a grid and fill in each row and column element.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "-------------3t--------------------20
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".3t----------\"9t%5E2\"-----------------\"60t\"----
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".20---------\"60t\"-------------------\"400\"---
\n" ); document.write( ".
\n" ); document.write( ".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Next, just sum the resulting partial products.
\n" ); document.write( "\"9t%5E2%2B60t%2B60t%2B400\"
\n" ); document.write( "\"9t%5E2%2B120t%2B400\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Next you deal with the still unfinished multiplication by -7t.
\n" ); document.write( "
\n" );