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Popular >

4=x-sqrt(x+2)

Solution

4 = x - x + 2

Solution

x = 7

Solution steps

4 = x - x + 2

Remove square roots

16 - 8 x + x^{2} = x + 2

Solve

16 - 8 x + x^{2} = x + 2 : x = 7, x = 2

x = 7, x = 2

Verify Solutions:

x = 7

True

, x = 2

False

The solution is

x = 7

Popular Examples

sqrt(x^2-4x-5)=2x-10

x^{2} - 4 x - 5 = 2 x - 10

sqrt(2y+1+y)-sqrt(2y+1-y)=2

2 y + 1 + y - 2 y + 1 - y = 2

x-6x^{1/2}+4=-5

x - 6 x^{\frac{1}{2}} + 4 = - 5

solvefor y,x=-3-3sqrt(2-2y+y^2)solve for

y, x = - 3 - 3 2 - 2 y + y^{2}

sqrt((x-2)^2)=4

(x - 2)^{2} = 4

Frequently Asked Questions (FAQ)

What is the answer to 4=x-sqrt(x+2) ?
The answer to 4=x-sqrt(x+2) is x=7
Solve for x: 4=x-sqrt(x+2)
The solution is x=7