Question

81x⁴-121x² factorie the following ​

Answer 1

Step-by-step explanation:

(9x)²-(11x)²

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

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Answer 2

Answer:

(9x^2)^2 - (11x)^2

by using identity

${a}^{2} - {b}^{2} =( a + b)(a - b)$

(9x^2 +11x) (9x^2- 11x)

$(9 {x}^{2} + 11x)(9 {x}^{2} - 11x)$