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Popular >

sqrt(7-x)=x+5

Solution

7 - x = x + 5

Solution

x = - 2

Solution steps

7 - x = x + 5

Square both sides:

7 - x = x^{2} + 10 x + 25

7 - x = x^{2} + 10 x + 25

Solve

7 - x = x^{2} + 10 x + 25 : x = - 2, x = - 9

x = - 2, x = - 9

Verify Solutions:

x = - 2

True

, x = - 9

False

The solution is

x = - 2

Graph

Popular Examples

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

y, x = y - 4

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

2 x^{2} - 1 = x - 1

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

x + 3 = x + 1

x^{\frac{3}{5}} + 17 = 9

3x^{1/2}=2x^{1/2}

3 x^{\frac{1}{2}} = 2 x^{\frac{1}{2}}

Frequently Asked Questions (FAQ)

What is the answer to sqrt(7-x)=x+5 ?
The answer to sqrt(7-x)=x+5 is x=-2
Solve for x: sqrt(7-x)=x+5
The solution is x=-2