SOLUTION: square root of y+1 plus square root of y-4=5
Algebra
->
Square-cubic-other-roots
-> SOLUTION: square root of y+1 plus square root of y-4=5
Log On
Algebra: Square root, cubic root, N-th root
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Square-cubic-other-roots
Question 244789
:
square root of y+1 plus square root of y-4=5
Answer by
edjones(8007)
(
Show Source
):
You can
put this solution on YOUR website!
sqrt(y+1)+sqrt(y-4)=5
sqrt(y-4)=5-sqrt(y+1)
y-4=y-10sqrt(y+1)+26 square each side
-10sqrt(y+1)=-30
sqrt(y+1)=3
y+1=9 square each side
y=8
.
Ed