document.write( "Question 541506: (5x-1)^2\r
\n" );
document.write( "\n" );
document.write( "I know the answer is 25x^2-10x+1\r
\n" );
document.write( "\n" );
document.write( "But when I try to solve I only come up with 25x^2+1
\n" );
document.write( "I don't understand where the -10x comes from, \r
\n" );
document.write( "\n" );
document.write( "I appreciate any help,
\n" );
document.write( "thank you!! \n" );
document.write( "
Algebra.Com's Answer #354196 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! Here is a general case of the squaring: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "-------------- \n" ); document.write( "Now your problem: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "In the FOIL method, the \n" ); document.write( "from the Outer and Inner multiplications. \n" ); document.write( " |