Ответ:
(1/7x+4/5y)(1/7x-4/5y)
Объяснение:
1\49x²−16\25y²=(1/7x)^2-(4/5y)^2=(1/7x+4/5y)(1/7x-4/5y)
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Ответ:
(1/7x+4/5y)(1/7x-4/5y)
Объяснение:
1\49x²−16\25y²=(1/7x)^2-(4/5y)^2=(1/7x+4/5y)(1/7x-4/5y)