Question

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

Answer 1

\(\large\color{black}{ \displaystyle \sqrt{3x+28}=8 }\) like this?

Answer 2

Square root of 3x+28-8=x

Answer 3

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

Answer 4

First step - simplify. Assuming your solving for x.

Answer 5

\(\large\color{black}{ \displaystyle \sqrt{3x+28}-8=x}\) right?

Answer 6

Yes

Answer 7

ok,

1) add 8 to both sides
2) raise both sides to the second power.

Answer 8

28 and 8 right?

Answer 9

\(\large\color{black}{ \displaystyle \sqrt{3x+28}-8\color{blue}{\bf +8}=x\color{blue}{\bf +8}}\)

Answer 10

see what I did ?