Quadratic Pattern Grade 11: Exam

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Quadratic Pattern Grade 11: Exam

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It changed because you’re subtracting in order to get the 2nd difference as follows:

10-(18-p) then when you multiply into the bracket it changes signs and becomes 10-18+p

I hope that helps😊

sisanda_mpetshwa
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This came out in my paper today and I got it right because of u

zaakirah
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How did the first difference change signs wasn't it suppose to be 18-p throughout

its_mthandos