Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Section A – Algebraic Expressions & Simplification Evaluate
2
a
2
+
3
a
−
7
2a^2 + 3a - 7
2
a
2
+
3
a
−
7
when
a
=
5
a = 5
a
=
5
.
Browse the problem library