
u = 2 x + 1, d u = 2 d x, d x = d u / 2

- 9 / ( 2 + 1 )² - ( - 9 / ( 0 + 1 )² =
- 9 / 9 + 9 = - 1 + 9 =
8
Answer:
9.05
Step-by-step explanation:
Answer:
This is a single a step problem. When you subtract a positive you can flip the signs.
0.6 I think that’s what you’re asking
Answer:
x = -8
Step-by-step explanation:
these angles are vertical, therefore they are equal
x + 78 = 70
x = -8