Topics
Factorisation
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India
Class VIII

Highest common factor

Lesson
Practice

Interactive practice questions

What is the highest common factor of $3$3 and $15x$15x?

Easy
< 1min

What is the highest common factor of $6x$6x and $21$21?

Easy
< 1min

Factorise the following expression by taking out the highest common factor:

$7x+35$7x+35

Easy
< 1min

Factorise the following expression by taking out the highest common factor:

$48+12y$48+12y

Easy
< 1min
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Outcomes

8.A.AE.1

Multiplication and division of algebraic exp.(Coefficient should be integers)

8.A.AE.2

Some common errors (e.g. 2 + x ≠ 2x, 7x + y ≠ 7xy )

8.A.AE.3

Identities (a ± b)^2 = a^2 ± 2ab + b^2, a^2 – b^2 = (a – b) (a + b) Factorisation (simple cases only) as examples the following types a(x + y), (x ± y)^2, a^2 – b^2, (x + a).(x + b)

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