Question

factorise 9x2-121y2​

Answer 1

Answer:

9x^2 - 121y^2

(3x)^2 -(11y)^2

(3x+11y) (3x-11y)

Answer 2

$( {3x)}^{2} - ( {11y)}^{2}$

$(3x + 11y)(3x - 11y)$