a)
dla x = -4 6•(-4)+1= -24+1= -23
x=0 6•0+1= 1
x= -5 6•(-5)+1=-30+1= -29
b)
x=10 8-10= -2
x= -1 8-(-1)=9
x=1/2 8-1/2= 7 1/2 lub 7,5
c)
x=3 3(7-3)=3•4= 12
x=7 7(7-7)= 0
x=-2 -2(7-[-2])= -2•9= -18
d)
x=5 6-3•5=6-15= -9
x=-1 6-3•(-1)= 6-(-3)= 9
x=0 6-3•0= 6
