document.write( "Question 854129: What is the approximate value of x that are the solution to f(x)=0, where f(x)=-9x^2+3x+7 \n" ); document.write( "
Algebra.Com's Answer #514470 by josgarithmetic(39620)![]() ![]() ![]() You can put this solution on YOUR website! Why approximate? Regardless, study this lesson:\r \n" ); document.write( "\n" ); document.write( "Completing the Square to Solve General Quadratic Equation \n" ); document.write( " |