SOLUTION: Solve. The square root of 7x + 46 = x + 4 Select the correct choice below and if necessary, fill in the answer box to complete your choice. A. The solution is x = ?

Algebra ->  Square-cubic-other-roots -> SOLUTION: Solve. The square root of 7x + 46 = x + 4 Select the correct choice below and if necessary, fill in the answer box to complete your choice. A. The solution is x = ?       Log On


   

Question 260915: Solve.
The square root of 7x + 46 = x + 4
Select the correct choice below and if necessary, fill in the answer box to complete your choice.
A. The solution is x = ?
(Simplfy your answer. Use a comma to separate answers as needed.)
or

B. The solution is not a real number.
Thank you in advance for any help someone can give me with this problem!!!!!
Answer by Greenfinch(383) About Me  (Show Source):
You can put this solution on YOUR website!
7x + 46 = (x + 4)^2
7x + 46 = x^2 + 8x + 16
0 = x^2 + x - 30
(x + 6)(x - 5) = 0
x = 5 or -6