Question

( 7x + y ) ( 7x - y )

Answer 1

$\sf \Large Solution!!$

Comparison.

(7x + y)(7x - y)

(a + b)(a - b) = (a)² - (b)²

= (7x)² - (y)²

= 49x² - y²

Answer 2

Answer:

their is identity =(a+b)(a-b)

=a²-b²

Step-by-step explanation:

so your answer =(7x)²-(y)²

your answer ✅✅=49x²-y²