High School Maths Examples and Questions

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Questions − Factorising x2 - a2

1.  Factorise x2 − 4

2.  Factorise x2 − 9

3.  Factorise x2 − 64

4.  Factorise 4x2 − 81

5.  Factorise 9x2 − 25

6.  Factorise 16x2 − 25a2

7.  Factorise 9x2 − 36b2

8.  Factorise 8x2 − 32




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