- Home
- GCSE Maths
- Algebraic Fractions
Multiplying rational expressions
- Intro Lesson11:13
- Lesson: 15:01
- Lesson: 21:44
- Lesson: 3a5:08
- Lesson: 3b3:17
- Lesson: 3c6:52
Multiplying rational expressions
Lessons
∙ multiplication rule: xa⋅xb=xa+b
∙ division rule: xbxa=xa−b
∙ division rule: xbxa=xa−b
- IntroductionReview: Multiplying Monomials
- 1.Simplifying Rational Expressions Involving Multiplication
State the non-permissible values, then simplify:
x2y25x2y3×15y3z29z3x4y2 - 2.Multiplying Rational Expressions in Factored Form
State the non-permissible values, then simplify:
(x−12)(x+4)(x+2)×x(x+2)2(x+4) - 3.Convert Expressions to Factored Form, then multiply
State the non-permissible values, then simplify:a)30x2−10x5x2−15x×(x2−9)3x2+8x−3b)8x−45x+20×(4+x)210x−5c)(7x2+55x−8)(x2+x)(x2+9x+8)(49x3−x)
Do better in math today
22.
Algebraic Fractions
22.1
Simplifying algebraic fractions and restrictions
22.2
Adding and subtracting algebraic fractions
22.3
Multiplying algebraic fractions
22.4
Dividing algebraic fractions
22.5
Solving equations with algebraic fractions
22.6
Applications of equations with algebraic fractions
22.7
Simplifying complex fractions
22.8
Partial fraction decomposition