Answer:
3/2
Step-by-step explanation:
3-9/-8-(-4). -6/-4. turn into positive due to the two negatives and becomes 3/2
Answer:
2b^2
Step-by-step explanation:
according to the question equation is
(a^2 + b^2 ) - (a^2 - b^2)
a^2 + b^2 - a^2 + b^2
plus a square and minus a square gets cancel
b^2 + b^2
since they are like terms they can be added
2b^2
Answer:
0
Step-by-step explanation:
3+9=12
12-12=0