Simple...
you have:

and

To solve for....

Multiply to remove the denominator-->>

n=12*3
n=36
Then-->>>

Do the same thing-->>

n=-12*3
n=-36
Thus, your answer.
Answer:
1. 2c
2. 15c
3. -17c , 2 = c
Step-by-step explanation:
Answer:
9A^2 - 16B^2.
Step-by-step explanation:
(3A+4B)(3A-4B) = 9A^2 + 12AB - 12AB - 16B^2 = 9A^2 - 16B^2.
Hope this helps!
Answer: AB=DE=6 units

Step-by-step explanation:
Given: ∆ABC ≅ ∆DEF
We know that if two triangles are congruent then their corresponding sides and angles are congruent. [By CPCTC]
Now, AB≅DE=6 units
Therefore, AB= 6units
EF≅BC=4 units and AC=DF

