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Popular >

sqrt(20-x)=-x

Solution

20 - x = - x

Solution

x = - 5

Solution steps

20 - x = - x

Square both sides:

20 - x = x^{2}

20 - x = x^{2}

Solve

20 - x = x^{2} : x = 4, x = - 5

x = 4, x = - 5

Verify Solutions:

x = 4

False

, x = - 5

True

The solution is

x = - 5

Popular Examples

G(x)=sqrt(x^2-81)

G (x) = x^{2} - 81

\frac{x}{10} = 1

solvefor y,sqrt(-y+30)=y solve for

y, - y + 30 = y

sqrt(y+3)=sqrt(2y-3)

y + 3 = 2 y - 3

sqrt(x)*sqrt(x)=11

x \cdot x = 11

Frequently Asked Questions (FAQ)

What is the answer to sqrt(20-x)=-x ?
The answer to sqrt(20-x)=-x is x=-5
Solve for x: sqrt(20-x)=-x
The solution is x=-5