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Simplify ( sqrt of 7 + 4)(sqrt of 7 - 4)
\n" ); document.write( "=(7^1/2 +4)(7^1/2 -4)=(7^1/2)^2-4^2=7-4^2=7-16=-9 \n" ); document.write( "
| Algebra.Com's Answer #33075 by mathchemprofessor(65) You can put this solution on YOUR website! Simplify ( sqrt of 7 + 4)(sqrt of 7 - 4) \n" ); document.write( "=(7^1/2 +4)(7^1/2 -4)=(7^1/2)^2-4^2=7-4^2=7-16=-9 \n" ); document.write( " |