Question

(x-1) (x+1) please tell

Answer 1

Answer:

${x}^{2} - 1$

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Answer 2

Answer:

x²-1

Step-by-step explanation:

x(x-+1)-1(x+1)

x²+1x-1(x+1)

x²+x-1(x+1)

x²+x-x-1

=x²-1

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