Contents
Simple Algebraic Expressions
Evaluation of Algebraic Expression
Rules of Algebra
Algebraic Fractions
Quiz 1
Expansion: The Foil Method
Algebraic Identities
Basic Factorisation
Factorisation of Quadratic Polynomials
Factorisation by Grouping
Quiz 2
Long Division
Polynomial Identities
Quiz 3
Algebra Main Page
Algebraic Manipulation
1. Expand the following expressions:
(x + 2y)(x - 6y)-(x - y)(x - 3y) Answers
Answers
(x + 2)(x - 5)(x + 8)
(x2 + x + 1)(x + 2)
2. Factorise the following:
y2 (y + 2) + 3 (y + 2)
3x2 - 21y2 Answers
x3 - 3x2 - 5x + 15
3. Factorise the following expressions completely by grouping:
(12 - 4)k2 + (1 - 3h)m2
h3k + h2k - hk3 - hk2 Answers n(n + 1)(n + 2)-3n(n + 1)
n(n + 1)(n + 2)-3n(n + 1)
(x + 2y)(x - 6y)-(x - y)(x - 3y)
