SOLUTION: solve:(sqrt)(x-15)=(sqrt)(x)-1
Algebra
->
Trigonometry-basics
-> SOLUTION: solve:(sqrt)(x-15)=(sqrt)(x)-1
Log On
Algebra: Trigonometry
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Trigonometry-basics
Question 729906
:
solve:(sqrt)(x-15)=(sqrt)(x)-1
Answer by
lwsshak3(11628)
(
Show Source
):
You can
put this solution on YOUR website!
solve:(sqrt)(x-15)=(sqrt)(x)-1
√(x-15)=√x-1
square both sides
x-15=(x-2√x+1)
2√x=16
square both sides again
4x=256
x=64
Check:
√(x-15)=√x-1
√64-15)=√64-1
√49=8-1
7=7