SOLUTION: Please help me figure out how to do this problem. Thanks sqrt(x+4) =3

SOLUTION: Please help me figure out how to do this problem. Thanks sqrt(x+4) =3

Algebra.Com

Question 90475: Please help me figure out how to do this problem. Thanks
sqrt(x+4) =3
Answer by bucky(2189) (Show Source): You can put this solution on YOUR website!
Problem:
.

.
solve for x.
.
Begin by squaring both sides. When you do that the equation becomes:
.

.
which after squaring becomes:
.

.
solve for x by subtracting 4 from both sides to get:
.

.
The solution, therefore, is
.
Check by substituting 12 for x in the original equation:
.

.
Add the terms in the parentheses:
.

.
The square root of 9 results in +3, so the equation is true and the answer x = 5 works.
.
RELATED QUESTIONS
Please help me figure out how to do this problem. Thanks sqrt(x+13)... (answered by bucky)

Please help me figure out how to do this problem. Thanks sqrt(x+21)... (answered by bucky)

{{{ x^2-2x-3= sqrt( 4 ) }}}. I tried my best to do this but i cant figure this one out (answered by Alan3354,mxgirl22)

Could you please help me with figuring out how to do this problem? r^2+3r=5 I... (answered by checkley77)

can you please help me figure out how to solve this problem (x+3)/(x+2) -... (answered by edjones)

would someone help me to figure out how to find the second part of this problem and graph (answered by bucky)

solve the equation if possible. 15/x -4= 6/x +3 i can not figure out how to do this.... (answered by rchill)

Please help me solve this problem 6x/(x^2-4)+3/(2-x) I am trying to understand the steps... (answered by josgarithmetic,MathTherapy)

Please help me how to solve this. Thanks. (x-1/3)(x-sqrt(3))(x+sqrt(3)) (answered by stanbon)