2/5(x-1)x/2-5

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Solution for 2/5(x-1)x/2-5 equation: 


x in (-oo:+oo)

(2/5)*(x-1) > x/2-5 // - x/2-5

(2/5)*(x-1)-(x/2)+5 > 0

2/5*(x-1)-x/2+5 > 0

(2/5*2*(x-1))/2-x/2+(2*5)/2 > 0

2/5*2*(x-1)-x+2*5 > 0

10-1/5*x-4/5 > 0

46/5-1/5*x > 0

(46/5-1/5*x)/2 > 0

(46/5-1/5*x)/2 > 0 // * 2^2

2*(46/5-1/5*x) > 0

( 2 )

2 > 0

x należy do R

( 46/5-1/5*x )

46/5-1/5*x > 0 // - 46/5

-1/5*x > -46/5 // : -1/5

x < -46/5/(-1/5)

x < 46

	(-oo:46)	(46:+oo)
2	+	+
46/5-1/5*x	+	-


x in (-oo:46)

(-oo:46)

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