A
C
D
E
F
B should be the obvious no-no
Number 4 and 6 are correct because you can only add variables with other variables so that is why 4 and 6 are correct
The answer would be .67 or .66666... since it’s infinite; or 2/3 in fraction form
Answer:
(u + 1)(u - 1)(u² + 8)
Step-by-step explanation:
<u>Here is the steps:</u>
- u⁴ + 7u² - 8 =
- u⁴- u² + 8u²-8 =
- u²(u² - 1) + 8(u² -1) =
- (u² - 1) (u² +8) =
- (u + 1)(u - 1)(u² + 8)