Tolong soal dibawah ini

Penjelasan dengan langkah-langkah:

1.6×-18

=6×+18-18<0-18

=6×<0-18

=6×<-18

=6×÷6<-18÷6

=×<-3

3.2/3×-1/2<0

=6{2/3×-1/2}<6×0

=6×2/3×-6×1/2<0

=2×2-3<0

=4×-3<0

=4×<3

=4×÷4<3÷4

=3/4

4.-9<2×+1 <-5

=2×+1>-9

=2×+1<-5

=2×>-9-1

=2×>-10

=×>-10

=2×<-5-1

=2×<-6

=×<-3

×={×>-5,×<-3}

5.3×-2<6 2×-1>1

={3-2}×<6 =2×>1+1

=1×<6 =2×>2

=×<6 =×>1

×={1,6}

6.×^2-4×/×+2>0

={×^2-4×>0/×+2>0}

=x×{×-4}>0

={×>0/×-4}>0

={×>0/×>4}

={×<0/×<4}

x={4+00}

x={-00,0}

=×+2>0

=×+2-2>0-2

=×>0-2

=×>-2

=×^2-4×<4

=x×{×-4}<0

={×<0/×-4<0}

={×>0/×-4<0}

={×<0/×>4}

={×>0/×>4}

×=0

×={0,4}

×=×+2-2<0-2

=×<0-2

×=<-2

×={-2,0},{4+00}

×=0

×={-2,0},{4+00}