Question

FIND THE FOLLOWING PRODUCT USING A SUITABLE IDENTIFY.
1.(7x -9y) (7x-9y)

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Answer 1

Answer:

hii

dude

below

is

your

answer

Explanation:

(7x-9y)²= (7x)²+(9y)²-2(7x)(9y)

= 49x² + 81y² - 126xy

Answer 2

Answer:

49x^2 + 81y^2 -126xy

Explanation:

( 7x - 9y) ( 7x - 9y)

(7x)^2 - 2(7x)(9y) + 81y^2

49x^2 + 81y^2 -126xy