Question

por favor ayudamen


plissssss​

Answer 1

X + 1

-4 + 1 = -3

6 + 1 = 7

9 + 1 = 10

-12 + 1 = -11

8 + 1 = 9

20 + 1 = 21

-7 + 1 = -6

5 + 1 = 6

X (X + 1)

-4 x -3 = 12

6 x 7 = 42

9 x 10 = 90

-12 x -11 = 132

8 x 9 = 72

20 x 21 = 420

-7 x -6 = 42

5 x 6 = 30