State whether True or False.
Factorization of $1 - 18 x - 63 x^{2}$ is $(1 - 21 x) (1 + 3 x)$ .

True

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False

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Solution

The correct option is A True
$F a c t o r i z i n g 1 - 18 x - 63 x^{2} = 1 - 21 x + 3 x - 63 x^{2} = 1 (1 - 21 x) + 3 x (1 - 21 x) = (1 - 21 x) (1 + 3 x)$ \\

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