Question

81x2-121y2
fast plz help​

Answer 1

Answer:

(9x + 11y) (9x - 11y)

Step-by-step explanation:

Equation given:-

81x2-121y2

now, 81 is square of 9 and 121 is square of 11,

the equation given is a2 - b2 so that's why the answer is (9x + 11y) (9x - 11y)

Answer 2

Answer:

hi

(9x + 11y) (9x - 11y)

now, 81 is square of 9 and 121 is square of 11,

the equation given is a2 - b2 so that's why the answer is (9x + 11y) (9x - 11y)

Step-by-step explanation:

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