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Grade 7 - Mathematics
4.19 Find The Factors of Difference of Two Squares - IV

Example: Factorise 2a3 - 32ab2.
Solution: Given that 2a3 - 32ab2
= 2a.a2 - 2a.16b2
= 2a (a2 - 16b2)
= 2a [(a+4b) (a-4b)]
= 2a (a+4b) (a-4b)

Directions: Find the factors of the given expressions and show your work. Also write at least ten examples of your own.
Q 1: Factorise 3x2 - 27.

Question 2: This question is available to subscribers only!

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