Question

factories
81a^2x^2-49b^2y^2​

Answer 1

Step-by-step explanation:

81a² into x²-49b²into y²

(9a)² into x²-(7b)² into y²

AS POWERS ARE SAME

(9a into x) ²-(7b into y) ²

(9ax) ² - (7by) ² ( a² - b² )=( a+b)(a-b)

(9ax+7by)(9ax-7by)

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