document.write( "Question 389948: \"Solve the equation\"
\n" ); document.write( "I want to understand step by step please.
\n" ); document.write( "x^2 + 18x + 81 = 25 \n" ); document.write( "

Algebra.Com's Answer #276454 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


\n" );
document.write( "Hi,        
\n" );
document.write( "Solving the equation
\n" );
document.write( "x^2 + 18x + 81 = 25
\n" );
document.write( "x^2 + 18x + 56 = 0
\n" );
document.write( "factoring
\n" );
document.write( "(x+14)(x+4)= 0 Note:SUM of the inner product(14*x) and the outer product(4x) =18
\n" );
document.write( "(x+14)=0   x = -14
\n" );
document.write( "(x+4)= 0   x = -4
\n" );
document.write( "If factoring does not occur to You, Quadratic formula always an alternative
\n" );
document.write( "
\n" );
document.write( "x = -28/2 = -14  
\n" );
document.write( "or x = -8/2 = -4 }}} \n" );
document.write( "

\n" );