Welcome :: Homework Help and Answers :: Mathskey.com

Recent Visits

    
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,435 questions

17,804 answers

1,438 comments

777,761 users

Help with a math problem?

0 votes

Solve the equation.

√(x) - 2 = √(x-28)

asked Apr 24, 2013 in ALGEBRA 1 by dkinz Apprentice

1 Answer

0 votes

√(x) - 2 = √(x-28)

Squaring both sides we get

[√(x) - 2]² = [√(x-28)]²

or, x - 2. √(x). 2 + 4 = x - 28

On both sides x cancels out

or, - 4√(x) = 28 + 4

or, √(x) = -(32)/4

Again squaring both sides

or, x = (-8)² =64

Hope it helped.

source: http://answers.yahoo.com

answered Apr 24, 2013 by casacop Expert

Related questions

asked Nov 21, 2014 in PRECALCULUS by anonymous
asked Nov 21, 2014 in PRECALCULUS by anonymous
asked Nov 21, 2014 in PRECALCULUS by anonymous
asked Nov 21, 2014 in PRECALCULUS by anonymous
asked Nov 15, 2014 in PRECALCULUS by anonymous
asked Nov 21, 2014 in PRECALCULUS by anonymous
asked Nov 21, 2014 in PRECALCULUS by anonymous
asked Nov 21, 2014 in PRECALCULUS by anonymous
asked Nov 21, 2014 in PRECALCULUS by anonymous
asked Nov 21, 2014 in PRECALCULUS by anonymous
asked Nov 21, 2014 in PRECALCULUS by anonymous
asked Nov 21, 2014 in PRECALCULUS by anonymous
asked Nov 21, 2014 in PRECALCULUS by anonymous
asked Nov 21, 2014 in PRECALCULUS by anonymous
asked Nov 21, 2014 in PRECALCULUS by anonymous
asked Nov 21, 2014 in PRECALCULUS by anonymous
asked Nov 21, 2014 in PRECALCULUS by anonymous
...