Which of the following statements is ALWAYS true?
4
|
x
+ 1
|
= 4
|
x
|
+ 4
x
2
+ 7
x
+ 18 = (
x
+ 9)(
x
- 2)
5 -
|
x
|
< 6
6 - (
x
- 6) = -
x
Which of the following statements is ALWAYS true?
4|x + 1| = 4|x| + 4
x2 + 7x + 18 = (x + 9)(x - 2)
5 - |x| < 6
6 - (x - 6) = -x