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Popular >

x+sqrt(2x^2-4)=0

Solution

x + 2 x^{2} - 4 = 0

Solution

x = - 2

Solution steps

x + 2 x^{2} - 4 = 0

Remove square roots

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

Solve

2 x^{2} - 4 = x^{2} : x = 2, x = - 2

x = 2, x = - 2

Verify Solutions:

x = 2

False

, x = - 2

True

The solution is

x = - 2

Popular Examples

sqrt(x+3)=sqrt(5x-1)

x + 3 = 5 x - 1

(b)sqrt(x^2-1)=x-3

(b) x^{2} - 1 = x - 3

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

x^{2} + 4 x = (x^{2}) + 4 x

x - 4 - 9 x = 0

12x+2sqrt(x)-2=0

12 x + 2 x - 2 = 0

Frequently Asked Questions (FAQ)

What is the answer to x+sqrt(2x^2-4)=0 ?
The answer to x+sqrt(2x^2-4)=0 is x=-2
Solve for x: x+sqrt(2x^2-4)=0
The solution is x=-2