Answer:
60a2b7
Step-by-step explanation:
first add the number which are same inequal sign the
25a3b5 and to 50a4b4 the answer will be 75a7b9 and then minus it to -15a5b2 the result will be 60a2b7
solution:
25a3b5
+ 50a4b4
= 75a7b9
- 15a5b2
= 60a2b7 the answer is positive
