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Quadratic Equations - Factorising: Quiz 2
Quadratic Equations - Factorising: Quiz 2
Factorise the following quadratics.
1) x2 – 9
2) x2 – 36
3) x2 – 81
4) 49 – x2
5) 4x2 – 16
6) -y2 + x2
7) 9x2 – 25y2
8) x4 – y6
9) 36x4y2 – 49z8n6