Question

please help!
what is the solution of the equation?
-10 + square root x+8 = -4

A. 36

B. 28

C. 44

Answer 1

\[-10 +\sqrt{x+8}= -4\]
add 10 to both sides
\[\sqrt{x+8} = 6\]
square both sides\[(\sqrt{x+8})^2= 6^2\]
x + 8 = 36
subtract 8 to both sides
x = 28

Answer 2

thank you. can you help me with other questions