1) p(-1)=(-1)³-(-1)²+3= -1-1+3= 1
2) 3x>-9
x>-3
3) -√20*√5= -√20*5= -√100= -10
4) x= -2
5) 6/2= 3см
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1) p(-1)=(-1)³-(-1)²+3= -1-1+3= 1
2) 3x>-9
x>-3
3) -√20*√5= -√20*5= -√100= -10
4) x= -2
5) 6/2= 3см