Question

Find the product of the following (x-3y)(x+3y)(x2+9y2)

Answer 1

Answer:

$= (x - 3y)(x + 3y)( {x}^{2} + 9 {y}^{2}) \\ = ( {x}^{2} - 9 {y}^{2} )( {x}^{2} + 9 {y}^{2} ) \\ = {x}^{4} - 81 {y}^{4}$

Hope it will help you....

Answer 2

Answer:

so your answer is

(x-3y)(x+3y)(x2+9y2)

Using A2 – B2 formula

(x2-(3y)2)(x2+9y2)

(x2-9y2)(x2+9y2)

(x2)2-(9y2)2

X4-81y4  -- this is you answer (please note that the 2 and the 4 written beside the alphabets on the right sides are the degree and not the alphabet multiplied by it. hope you understood)

hope it helps and if it did, please mark me as brainliest