Answer:
(7,7)
Step-by-step explanation:
Answer:
x=9
Step-by-step explanation:
3x-7=7+13
3x-7=20
3x=27
27/3
x=9
Answer:
c
Step-by-step explanation: If you do the math you can clearly see and I got the answer correct.
Answer:
Step-by-step explanation:
a. a^4 - 2ab^2 - 2ab^2 + 4b^4 = a^4 - 4ab^2 + 4b^2
b. 49x^2 - 14x + 1
c. 25a^2 - 20ab^4 + 4b^8
d. x^2 - 144
e. -16n^6 - 28n^3 + 28n^3 + 49 = -16n^6 + 49
The 3rd choice is appropriate.