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Popular >

sqrt(2u+8)=u

Solution

2 u + 8 = u

Solution

u = 4

Solution steps

2 u + 8 = u

Square both sides:

2 u + 8 = u^{2}

2 u + 8 = u^{2}

Solve

2 u + 8 = u^{2} : u = 4, u = - 2

u = 4, u = - 2

Verify Solutions:

u = 4

True

, u = - 2

False

The solution is

u = 4

Popular Examples

3 x - 12 = 0

sqrt(6x)+sqrt(5)=6+sqrt(5)

6 x + 5 = 6 + 5

0 = x + 9

solvefor x,y=sqrt(4-x)solve for

x, y = 4 - x

2 x + 1 = x

Frequently Asked Questions (FAQ)

What is the answer to sqrt(2u+8)=u ?
The answer to sqrt(2u+8)=u is u=4
Solve for u: sqrt(2u+8)=u
The solution is u=4