Question

The sum of the expressions (5abc + 4ab – 2bc + 4 ) and ( 3ab + 2bc – 6abc +2) is ____

Answer 1

Answer:

5abc+7ab+0+6

Step-by-step explanation:

We know we cant add or substract different variables so :-

5abc+ 4ab-2bc +4

0 +3ab+2b +2

so: 5abc+7ab 0 +6

the zero in the answer called -2b and +2bc cancel each other