Answer:d
Step-by-step explanation:
Answer:
B 4ab= c^2 - (b-a) ^2
Step-by-step explanation:
Hopefully this helps
We have

So

The rational term vanishes as <em>x</em> gets arbitrarily large, so we can ignore that term, leaving us with

and this happens if <em>a</em> = 1 and <em>b</em> = -1.
To confirm, we have

as required.
Answer: x = 28
Step-by-step explanation:
x + 20=3x-36
20=2x-36
56=2x
56/2=28
So 28= x
Answer:
x = 12 and x = -9
Step-by-step explanation:
2x-20 = 4
2x = 24
x = 12
-2x = 18
x = -9