Answer:
X=2
Explanation:
We can change the left side of the equation to (x+5)² which gives us
(x+5)²=49 now to get rid of the squared we can take the square root of both sides which gets us to x+5=7 and now subtract 5 from both sides to get your final answer of x=2
I hope this helps and please don't hesitate to ask if there is anything still unclear!