Question

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

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

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

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

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

6) __ (5 + 4) = 2 * 5 + 2 * 4

7) 8 * 7 + 8 * 3 = 8 (7 + ___ )

8) 6 * 5 – 6 * 2 = 6 (__ - __)

9) 5 * 3 + 10 * 3 = 3( __ + 10)

10) 8 * 4 – 8 * 2 = ___ (4 – 2)

11) 7 ( 5 – 2 ) = 7 * ___

12) 5 (2 + 4 ) = 5 * ___

13) ( 64 8 ) 2 = ___

14) 2 * ( 9 + 1 ) = 2 * ___

15) ( 100 + 10 ) 5 = _____

16) (100 – 40 ) 10 = ____

17) – 5 * 5 = ____

18) 5 * ( -6 ) = ____

19) ( + 2 ) X ( + 3) = ___

20) ( + 6 ) X ( - 2 ) = ____

Answer 1

1) -9

2) 9

3) 100

4) -63

5) 24

6) 2

7) 3

8) 5 - 2

9) 5 + 10

10) 8

11) 3

12) 6

13) Not sure what (64 8) 2 = is.. so. Options:

(64 + 8) 2 = 144

(64 - 8)2 = 112

(648)2= 1296

(64) (8) (2) = 1024

14) 10

15) 550

16) 600

17) -25

18) -30

19) 6, if that's a variable than 6x.

20) 12, if that's a variable than 12x.

Explanation:

1) negative x positive = negative.

2) Negative x negative = positive.

3) positive x positive = you guessed it, positive.

4) positive x negative = negative.

5) There's two negatives and one positive. Even though negatives overpower the positives, the answer is positive. This is because when we simplify the answer down, we'll be left with the equation: negative x negative.

-2 * 3 * -4

-2 * 3 = -6

-6 * -4 = 24.

6) got too lazy :D

Answer 2

1.-9
2.9
3.100
4.-63
5.-36
6.2
7.3
9.5
10.8
11.3
12.6
13.?
14.10
15.550
16.600
17.-25
18.-35
19.6
20.-12