P(X)=3x^2-2x-5 P(a+1) Using this formula: (a+b)^2=a^2+2ab+b^2
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Originally Posted by armygirltiff P(X)=3x^2-2x-5 P(a+1) Using this formula: (a+b)^2=a^2+2ab+b^2 Substitute x by (a+1):
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