Answer:
2(k+5)
Step-by-step explanation:
Factor 2k+10
2k+10
=2(k+5)
Answer:
2(k+5)
Cos (314) = .694 is positive
Answer:
probably an update which sucks tell me about it lol
Answer:
x^4 - 81 = 0
(x² - 9)(x² + 9) = 0
Notice that the first of these is itself a difference of two squares:
(x - 3)(x + 3)(x² + 9) = 0
So the solutions are x = 3, x = -3, x = 3i, x = -3i