document.write( "Question 404692: Please help me solve : x(5x+17)=12 \n" ); document.write( "
\n" ); document.write( "Hi\n" ); document.write( "Solving:\n" ); document.write( " x(5x+17)=12\n" ); document.write( " 5x^2 + 17x = 12\n" ); document.write( " 5x^2 + 17x - 12 = 0\n" ); document.write( "factoring\n" ); document.write( "(5x -3)(x +4)= 0 Note:SUM of the inner product(-3x) and the outer product(20x) = 17x\n" ); document.write( "(5x -3)=0\n" ); document.write( " x = 3/5\n" ); document.write( "(x +4)= 0\n" ); document.write( " x = -4\r\n" ); document.write( "\n" ); document.write( "CHECKING our Answer(s)***\n" ); document.write( " 3/5(3+17 = 12\n" ); document.write( " -4(-3) = 12