Please Factorize step by step with pic/attachment
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this is answer of your question.
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Step-by-step explanation:
49x^2/121 - 64 y ^2/9
=(7x/11)^2 - (8y/3)^2
a^2-b^2=(a-b)(a+b)
=(7x/11 - 8y/3) (7x/11+8y/3)
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