asked 103k views
1 vote
Solve (x-5)^2=3 question has to be 23 characters so I'm typing this lol

asked
User Artlung
by
9.0k points

2 Answers

2 votes

Answer:

Exact solutions:
x = 5+√(3) \ \text{ or } \ x = 5-√(3)

Approximate solutions:
x \approx 6.732051 \ \text{ or } \ x \approx 3.267949

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Work Shown:

Apply the square root to both sides, then add 5 to both sides

Don't forget about the plus/minus so you can get two solutions.


(x-5)^2 = 3\\\\√((x-5)^2) = √(3)\\\\|x-5| = √(3)\\\\x-5 = \pm√(3)\\\\x-5+5 = \pm√(3)+5\\\\x = 5\pm√(3)\\\\x = 5+√(3) \ \text{ or } \ x = 5-√(3)\\\\x \approx 6.732051 \ \text{ or } \ x \approx 3.267949\\\\

Use a calculator for the last step.

answered
User Jonathan Penn
by
7.7k points
2 votes

hi my litler friend


(x-5)^2=3\\(x-5)=+-√(3) \\\\x-5=√(3) \\x=5+√(3) \\\\x-5=-√(3) \\x=5-√(3) \\\\\\S=(5-√(3),5+√(3))\\

if in doubt, let me know. I really like to help.

answered
User Jmbmage
by
8.5k points

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