Question

Find the non-extraneous solutions of

Answer 1

Find the non-extraneous solutions of

Answer 2

x = −2

x = −7 and x = −2

x = −7

x = 1

Answer 3

Did you solve the equation yet?

Answer 4

no @mertsj i tried and i got lost

Answer 5

@mathstudent55

Answer 6

Add 4 to both sides and then square both sides. Post your result.

Answer 7

x = −7 and x = −2 @Mertsj

Answer 8

Did you check them to make sure they both work?

Answer 9

idk how to do that can you help me

Answer 10

Replace x with -7 and see if the equation is true.

Answer 11

\[\sqrt{-7+7}-4=-7+3\]
Is that true?

Answer 12

yes @Mertsj

Answer 13

Now replace x with -2 and see if that sentence is true.