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Problem / game
Factorisable Quadratics Back to problem
First name
Rohan
School
St Stephens
Country
Australia
Age
16

2. a)The quadratic is x^2+6x+c, it factorises as (x+a)(x+b) and a and b must add to give 6.

The pairs that add to give 6 whilst still being positive are: (3,3); (5,1); (4,2). The value for c must equal: 9,5,8.