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### Grade 7 - Mathematics4.19 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 x3y - xy3.xy (x+y) (x-y)xy (x-y) (x-y)xy (x+y) (x+y) Q 2: Factorise x4 - x2.x2(x-1)(x-1)x2(x+1)(x-1)x2(x+1)(x+1) Q 3: Factorise 2a2 - 98.2(x+7)(x+7)2(x+7)(x-7)2(x-7)(x-7) Q 4: Factorise 3x2 - 27.3(x-3)(x-3)3(x+3)(x+3)3(x+3)(x-3) Question 5: This question is available to subscribers only! Question 6: This question is available to subscribers only!

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