Question 10999
rules of multiplication
+ times a - = a negative
- times a + = a positive 
+ times a + = a positive
- times a - = a negative

rules of addition
same sign:add
opposite sign:subtract
take sign of larger #.
ex:
-4+3=-1

                                    


 -4(3)+ (-4)(6)
                                     -4(3)=-12
                                      -12+(-4)(6)
                                        -16(6)
                                         -96