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If d(x) = x2 - 7x - 7, find d(x - 1).​
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If d(x) = x2 - 7x - 7, find d(x - 1).​

User Kendrick Lamar
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1 Answer

2 votes

Answer: x^2-9x+1

Explanation:

x^2-7x-7 d(x-1)

(you would just replace x to (x-1)

(x-1)^2-7(x-1)-7

(solve by square rooting (x-1)(x-1) then foil)

x^2-9x+1

User Nachik
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