rozwiąż nierówność
a)41x+2>-2-13x
b)-14x>2+(3x-1)
c)3x-4(x-1)>-2(x-1)
d)(2x+2)do kwadratu >4x do kwadratu +12
a.
41x+2>-2-13x
41x+13x>-2-2
54x>-4/54
x>-2/27
b.
-14x>2+(3x-1)
-14x>2+3x-1
-14x-3x>2-1
-17x>1 /:(-17)
x<-1/17
c.
3x-4(x-1)>-2(x-1)
3x-4x+4>-2x+2
-1x+2x>2-4
x>-2
d.(2x+2)^2>4x^2+12
4x^2+8x+4>4x^2+12
4x^2+8x-4x^2>12-4
8x>8
x>1
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a.
41x+2>-2-13x
41x+13x>-2-2
54x>-4/54
x>-2/27
b.
-14x>2+(3x-1)
-14x>2+3x-1
-14x-3x>2-1
-17x>1 /:(-17)
x<-1/17
c.
3x-4(x-1)>-2(x-1)
3x-4x+4>-2x+2
-1x+2x>2-4
x>-2
d.(2x+2)^2>4x^2+12
4x^2+8x+4>4x^2+12
4x^2+8x-4x^2>12-4
8x>8
x>1