4a^2+7ab-b^2
Step-by-step explanation:
Add the first two equations together:
3a^2-ab-2b^2
+ 2a^2+5ab-3b^2
---------------------------
5a^2+4ab-5b^2
Subtract that answer from the remaining trinomial:
5a^2+4ab-5b^2
- a^2-3ab-4b^2
--------------------------
4a^2+7ab-b^2
We are given with an initial value of water equal to 12 ounces of water and the final value of water is 2 1/4 or 2.25 ounces. Since the two substances are the same, we can use direct subtraction to determine what was consumed after walking. The answer is 12-2.25 equal to 9.75 ounces
Answer:
x
−
5
=
0
and
x
+
8
=
0
.
x
=
5
,
−
8
idk why it looks like that xD
:3
Answer:
ab² - b = b(ab -1)
Step-by-step explanation:
The variable b is common to both terms here. Thus,
ab² - b = b(ab -1)
