Question

Find the product : (x-3y) (x+3y) (x² + 9y²)​

Answer 1

Answer:

Step-by-step explanation:

(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)

Answer 2

Answer:

x⁴ - 81y⁴

Step-by-step explanation:

Hope it helps you my friend and please tell me how is my handwriting??