Answer:
x = ± 
Step-by-step explanation:
Given
x² = 20 ( take the square root of both sides )
x = ±
which can be simplified to
x = ± 2
[ ± means plus or minus ]
13°, 66°, and 101° ......
Answer:
no solution
Step-by-step explanation:
if u plug a random number like 1 for example 1+3/4=1 3/4 and 1+5/6=1 5/6
1 3/4 =1 5/6-this is NOT equal
so no solution
hopefully that helps! please let me know if i did anything wrong thanks!
Answer:
C
Step-by-step explanation:
|2x - 2| < 8
it implies that
2x - 2 < 8
2x -2 + 2 < 8 + 2
2x < 10
x < 5
or
-(2x - 2) < 8
-2x + 2 < 8
-2x + 2 - 2 < 8 - 2
- 2x < 6
x > -3 ( the sense of the inequality reverse because I divided by minus)
The solution can be combine to
-3<x<5
