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18 
Quadratic Equations
Solving quadratic equations by factorising Activity

Ex6.01, Ex6.02, Ex6.03, Ex6.04, Theta pg 23 NuLake EAS Q357  392 
Khan Academy Solving Quadratics by factorising old code

1) (x + 2)(x − 5) = 0 Solution 2) (x + 6)^{2} = 0 Solution 3) x(x − 7 )= 0 Solution 4) (2x + 5)(5 − 3x)= 0 Solution Mouse over key words 
1) x^{2} + 4x + 3 = 0 Factorise Solution 2) x^{2} − x − 6 = 0 Factorise Solution Mouse over key words 
3) x^{2} − 9x = 0 Factorise Solution 4) 2x^{2} + 7x + 3 = 0 Factorise Solution Mouse over key words 
1) x^{2} + 3x = 18 Rearrange Factorise Solution 2) (x + 1)(x − 7) = 3x − 7 Expand Rearrange Factorise & Solution Mouse over key words 
1)
Form Equations 2) Expand & Simplify 3) Rearrange 4) Factorise 5) Solve 6) Answer Q Mouse over key words 