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Maths Puzzle
Numerical Ability
factor completely. please help
49^2 - 64
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This is just an example from my book that I can not make sense of.
They start with: determine the polynomial p(x)=Ao+A1X+A2X^2 whose graph passes through the points (1,4),(2,0),a
6- sqrt 5/4+ sqrt 5
I'm supposed to simplify this.... and I tried, but i don't understand this.