Question

Can you help answer these:

1) (-3 ) * ( + 3 ) = ___

2) ( - 3) * ( - 3)= ______

3) ( + 20 ) ( + 5) = ____

4) ( + 21 ) ( - 3 ) )= ___

5) (-2) * (+3) * (- 4) = ___

Answer 1

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

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

Explanation:

hope this is helpful