Question

(x+1)^2-8(x-1)^2-9=0

Answer 1

Answer:

(x+1)^2-8(x-1)^2-9=0

(x+1)^2-8(x-1)^2-9

x²+1 -8 × x² -1 -9

-8-9

-16

Step-by-step explanation:

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