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If p(x + 2) = 3x^2 -7x + 1, then what is p(x)?

 Nov 22, 2021
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If p(x + 2) = 3x^2 -7x + 1, then what is p(x)?

 

 

p(x)=3(x-2)^2-7(x-2)+1

 

I'll explain it back to front

 

 

if  p(x)=3(x-2)^2-7(x-2)+1

then

    p(x+2)=3(x+2-2)^2-7(x+2-2)+1

so

    p(x+2)=3(x)^2-7(x)+1

 Nov 22, 2021

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