Which of the following has a product of 4?
A.-1 and 4
B.1 and -4
C.2 and -2
D.-2 and -2
2 answers
- x * - x = +x
I mean
-x * -y = +xy
-x * -y = +xy
A.-1 and 4
B.1 and -4
C.2 and -2
D.-2 and -2
2 answers
1 answer
1 answer
3 answers
1 answer