document.write( "Question 280924: Solve by applying the Quadratic Formula; all radicals should be simplified as far as possible. Show your work.\r
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document.write( "x^2 - 4x - 7 = 0 \n" );
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Algebra.Com's Answer #204142 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! x^2 - 4x - 7 = 0 \n" ); document.write( " \n" ); document.write( "x=(4+-sqrt[-4^2-4*1*-7])/2*1 \n" ); document.write( "x=(4+-sqrt16+28])/2 \n" ); document.write( "x=(4+-sqrt44)/2 \n" ); document.write( "x=(4+-6.63325)/2 \n" ); document.write( "x=(4+6.63325)/2 \n" ); document.write( "x=10.63325)/2 \n" ); document.write( "x=5.317 ans. \n" ); document.write( "x=(4-6.63325)/2 \n" ); document.write( "x=(-2.63325)/2 \n" ); document.write( "x=-1.317 ans. \n" ); document.write( " |