Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
GCSE
MATHEMATICS · Single correct · GCSE · Mathematics · Algebra · Algebra
Problem
Simplify
x
2
−
9
4
x
−
12
÷
x
+
3
2
\frac{x^2 - 9}{4x - 12} \div \frac{x + 3}{2}
4
x
−
12
x
2
−
9
÷
2
x
+
3
(1) A:
x
+
3
4
\frac{x + 3}{4}
4
x
+
3
(2) B:
1
2
\frac{1}{2}
2
1
(3) C:
x
+
3
2
(
x
−
3
)
\frac{x + 3}{2(x - 3)}
2
(
x
−
3
)
x
+
3
(4) D:
2
1
\frac{2}{1}
1
2
(5) E: None of these
Related theory
Factorisation of Polynomials
Polynomials
Algebraic Manipulation
Rational Functions
Algebra
Browse the problem library