x

3/4

−150

1/50

-6

0

0

0

0

1/4

−60

−1/25

9

1

0

0

0

0

1/2

−90

−1/50

3

0

1

0

0

0

0

0

0

0

0

1

1

0

0

0

0

0

0

0

0

3/4

−150

1/50

-6

0

0

0