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)\"\" \"About 
You can put this solution on YOUR website!
Why approximate? Regardless, study this lesson:\r
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