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NCERT Solutions Class 8 Mathematics Solutions for Exercise 14.2 in Chapter 14 - Factorisation
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Factorise:
49 x^{2}-36
Answer:
Solution:
There are some identities, and the factorization is much simpler when employing them. The given expression can be put in the form of identity as : a2-b2=(a+b) (a-b)
\begin{array}{l} \left.=(7 a)^{2}-6^{2}\right) \\ =(7 a+6)(7 a-6) \\ \text { Using Identity: } x^{2}-y^{2}=(x+y)(x-y) \end{array}
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