document.write( "Question 877310: Select the approximate values of x that are solutions to f(x) = 0, where
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document.write( "f(x) = -9^2 + 2x + 8.
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document.write( "help please!
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Algebra.Com's Answer #529281 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! 0=81+2x+9 \n" ); document.write( "0=90+2x \n" ); document.write( "-90=2x \n" ); document.write( "-45=x \n" ); document.write( "-------------- \n" ); document.write( "0=81+2*-45+9 \n" ); document.write( "0=90-90 \n" ); document.write( " |