Question

Can you help answer these:

Answer 1

Step-by-step explanation:

1. (-3)*(1+3) = -9
2. (-3)*(-3) = 9
3. (+20)(+5) =100
4. (+21)(-3) = -63
5. (-2)*(+3)*(-4) = 24

Answer 2

Answer:

1) -3 x 3=-9

2) -3x-3=9

3)20x5=100

4) 21x-3=-63

5) -2x3x-4=24

note: negative x positive= negative

negative x negative=positive

positive x positive= positive

Step-by-step explanation:

hope this is helpful