document.write( "Question 294669: how do i slove this problem
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document.write( "h(x)= x^2+4x-5 ; h(x)>0
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Algebra.Com's Answer #212494 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! Oh good, I haven't \"sloved\" a problem in a long time. \n" ); document.write( "h(x)= x^2+4x-5 \n" ); document.write( "h(x) = (x-1)(x+5),h(x)>0 \n" ); document.write( "-5>x>1 \n" ); document.write( "Test a value of x in three ranges. \n" ); document.write( "x<-5 ok -6 \n" ); document.write( "(-6)^2+4*(-6)-5>0 \n" ); document.write( "36-24-5=7 \n" ); document.write( "1>x>-5 not >0 test 0 h(x)=-5 \n" ); document.write( "and x>1 ok \n" ); document.write( "2^2+4*2-5=4+8-5=7 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |