State whether the statement is True or False.
$(x + 1) (x - 1)$ is equal to $x^{2} - 1$ .

True

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False

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Solution

The correct option is A True
$M u l t i p l y (x + 1) (x - 1) = x^{2} + x - x - 1 = x^{2} - 1$

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