Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Problem
Problem
The number of real solutions of
(
3
x
2
−
7
x
−
30
)
−
(
2
x
2
−
7
x
−
5
)
=
x
−
5
\sqrt{(3x^2 - 7x - 30)} - \sqrt{(2x^2 - 7x - 5)} = x - 5
(
3
x
2
−
7
x
−
30
)
−
(
2
x
2
−
7
x
−
5
)
=
x
−
5
is a. one b. two c. three d. None of these
Browse the problem library