Factorisation

Here,

We factorise 2x + 4 to get 2 (x + 2)

In this chapter, we will learn how to factorise by different methods

• Factorisation by common factor
• Factorisation by regrouping
• Factorisation by using identities
• Factorisation by splitting the middle term

Factorization of Algebraic Expression

Algebraic expressions have numbers & variable in it

Example :

• 5xy
• 28 x ² yz
• 41x
• 98y ² z ⁴
  
  

Let’s learn how to factorise it

Factorisation of 5xy

  5xy = 5 × x × y

Factorisation of 28x ² yz

  28x ² yz = 2 × 2 × 7 × x ² × y × z

= 2 × 2 × 7 × x × x × y × z

Factorisation of 41x

  41x = 41 × x

Factorisation of 98y ² z ⁴

  98y ² z ⁴ = 2 × 7 × 7 × y ² × z ⁴

= 2 × 7 × 7 × y × y × z × z × z × z