SOLUTION: sqrt(x+6) + sqrt(2-x) = 4
Algebra
->
Real-numbers
-> SOLUTION: sqrt(x+6) + sqrt(2-x) = 4
Log On
Algebra: Real numbers, Irrational numbers, etc
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on real-numbers
Question 943430
:
sqrt(x+6) + sqrt(2-x) = 4
Answer by
CubeyThePenguin(3113)
(
Show Source
):
You can
put this solution on YOUR website!
sqrt(x+6) + sqrt(2-x) = 4
sqrt(x+6) = 4 - sqrt(2-x)
x + 6 = 16 + (2-x) - 8sqrt(2-x)
2x - 12 = -8sqrt(2-x)
-x/4 + 2/3 = sqrt(2-x)
2-x = (-x/4 + 2/3)^2
x = -2