What is the answer to sqrt(2x+6)=x+3 ?

The answer to sqrt(2x+6)=x+3 is x=-1,x=-3

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sqrt(2x+6)=x+3

2 x + 6 = x + 3

x = - 1, x = - 3

Solution steps

2 x + 6 = x + 3

Square both sides:

2 x + 6 = x^{2} + 6 x + 9

2 x + 6 = x^{2} + 6 x + 9

Solve

2 x + 6 = x^{2} + 6 x + 9 : x = - 1, x = - 3

x = - 1, x = - 3

Verify Solutions:

x = - 1

True

, x = - 3

True

The solutions are

x = - 1, x = - 3

x + x - 8 = 2

x + 7 + x = 7

0 = 2 x - 1

2 3 x - 2 - x + 2 = 3

5 + x = 9

What is the answer to sqrt(2x+6)=x+3 ?
The answer to sqrt(2x+6)=x+3 is x=-1,x=-3
Solve for x: sqrt(2x+6)=x+3
The solution is x=-1,x=-3