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Edexcel IGCSE Math A 2.2.E Expanding Two Linear Expressions

Practise multiplying every term in one linear bracket by every term in the other and collecting like terms.

Syllabus
First assessment 2018
Course
Math A 4MA1
Level
Higher

Exam points

  • generate all four products from two linear brackets before collecting terms
  • preserve negative signs when multiplying constants and variable terms
  • match coefficients after expansion when a product is given in another algebraic form

2.2.E Products of two linear expressions question 1

[Maximum number: 2]

Expand and simplify (5 x-2)(x+4)

\section*{1w=5y2−y31 \quad w=5 y^{2}-y^{3} \\ 1w=5y2−y31 \quad w=5 y^{2}-y^{3}}
(a) Work out the value of w when y=-2

w=

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