en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

-4+sqrt(2-x)=x

Solution

- 4 + 2 - x = x

Solution

x = - 2

Solution steps

- 4 + 2 - x = x

Remove square roots

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

Solve

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

x = - 2, x = - 7

Verify Solutions:

x = - 2

True

, x = - 7

False

The solution is

x = - 2

Popular Examples

sqrt(3x)=sqrt(4x-1)

3 x = 4 x - 1

4 x + 7 = 23

solvefor l,q=10l^{3/2}solve for

l, q = 10 l^{\frac{3}{2}}

(9x^2)/(sqrt(x-6))=0

\frac{9 x ^{2}}{x - 6} = 0

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

x^{2} - 3 - x = 3

Frequently Asked Questions (FAQ)

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