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  4. The factors of the expression x2-2 x-63 are

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Q. The factors of the expression $x^2-2 x-63$ are

Polynomials, LCM and HCF of Polynomials

Solution:

(i) Factorize the given expression.
(ii) Use the method of factorization of $a x^2+b x+c$.
(iii) Express $b$ as $(m+n)$ such that $m n=a c$.