(x^2 - 4^2)^2 = x^4 - 4^4
(x^4 - 4^4) (x^2 + 4^2) = x^2 - 4^6
The Angela's solution is wrong cause when you multiply you get a different answer.
-9 to the second power will most likely be 81. A negative x a negative equals a positive. Hope this helped.
Answer:
Step-by-step explanation:
5x-3>7
+3 to both sides
5x>10
divide 5 to both sides
x>2
Answer:
Step-by-step explanation:
C 40x^6
Answer:
Cost of 1 = 30
So cost of 8kg apples=8*30
=240
Step-by-step explanation: