document.write( "Question 1067986: The sum of all the solutions of the equation: (10x−3a)(3x+39)(5x−3)=0 is (−1). Find a. \n" ); document.write( "

Algebra.Com's Answer #683164 by ikleyn(52932) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "The solutions are x = ,  = -13 and .\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "According to the condition, their sum is -1. It gives you an equation\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( " = -1,   or\r\n" );
document.write( "\r\n" );
document.write( " = -1 + 13,   or\r\n" );
document.write( "\r\n" );
document.write( " = 12  --->  3a + 6 = 120  --->  3a = 114  --->  a =  = 38.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved. a = 38.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );