What is the answer to sqrt(4x+20)=x+5 ?

The answer to sqrt(4x+20)=x+5 is x=-1,x=-5

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sqrt(4x+20)=x+5

4 x + 20 = x + 5

x = - 1, x = - 5

Solution steps

4 x + 20 = x + 5

Square both sides:

4 x + 20 = x^{2} + 10 x + 25

4 x + 20 = x^{2} + 10 x + 25

Solve

4 x + 20 = x^{2} + 10 x + 25 : x = - 1, x = - 5

x = - 1, x = - 5

Verify Solutions:

x = - 1

True

, x = - 5

True

The solutions are

x = - 1, x = - 5

2 x + 1 + 2 = 2 x

5 x + 41 - 2 = - 1

2 x - 4 = x

5 x + 6 = x + 2

79 - 5 x = x - 11

What is the answer to sqrt(4x+20)=x+5 ?
The answer to sqrt(4x+20)=x+5 is x=-1,x=-5
Solve for x: sqrt(4x+20)=x+5
The solution is x=-1,x=-5