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davidgoes4wce's latest activity

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    davidgoes4wce reacted to CM_Tutor's post in the thread Question help with Like Like.
    Yes, this is the more obvious way... my approach was more suited to the question where P(x) is a polynomial of degree n \geqslant 2...
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    davidgoes4wce replied to the thread Question help.
    I had a slightly different way of doing it P(-1)=18 P(2)=0 18=(-1)^2+a(-1)+b 18=1-a+b 17=-a+b equation A 0=2^2+2a+b -4=2a+b equation...