document.write( "Question 946538: solve
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document.write( "y^2 4y-5>=0 express result in interval notation
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Algebra.Com's Answer #585319 by Saleye(10) You can put this solution on YOUR website! y^2+4y-5>=0 \n" ); document.write( "Solution: \n" ); document.write( "Solve: y^2+4y-5=0 \n" ); document.write( "-> Factorize: \n" ); document.write( "(y-1)(y+5)=0; y=-5 & y=1. \n" ); document.write( "To find the interval on which it's > zero you can use Sign chart: \n" ); document.write( "Answer/ the intervals on which >=0 is: (-infinity,-5] and [1, infinity) \n" ); document.write( " |