document.write( "Question 956473: what are the solutions of 9x^2+16=0
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Algebra.Com's Answer #584327 by addingup(3677)![]() ![]() You can put this solution on YOUR website! 9x^2+16=0 = 9x^2= -16; √9x^2=√-16; 9x= 4i; x= 4i/9 \r \n" ); document.write( "\n" ); document.write( "Note: keep in mind that any time there is a negative under the radical sign, it comes out from underneath as the imaginary number \"i\" because the problem will contain a square root of -1, since i= √-1 \n" ); document.write( " |