Question

What is the solution of the equation? Eliminate any extraneous solutions.
√3x+28-8=x

A. 9 and -4
B. -9
C. -9 and -4
D. -4

Answer 1

1. Move 28 and -8 to the RIGHT side of this equation, to isolate the Sqrt(x).
2. Square both sides of the resulting equation, to eliminate the Sqrt( ) operator.
3. solve the resulting equation for x.
4. Check the result(s) in the original equation; is the original equation true or false?

Answer 2

so d?