Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
The polynomial
p
(
x
)
=
x
3
+
3
x
2
+
a
x
−
4
p(x)=x^{3}+3x^{2}+ax-4
p
(
x
)
=
x
3
+
3
x
2
+
a
x
−
4
has
(
x
+
2
)
(x+2)
(
x
+
2
)
as a factor. a. Find the value of
a
a
a
. b. Hence factorise
p
(
x
)
p(x)
p
(
x
)
completely.
Browse the problem library