( 4 x + 4 y ) ( 4 x − 4 y )

Question

( 4 x + 4 y ) ( 4 x − 4 y )

Answer 1

(4x + 4y)(4x - 4y) = (4x)² - (4y)² = 16x² - 16y²

Answer 2

( 4 x + 4 y ) ( 4 x − 4 y ) = 16x^2 - 16xy+16xy-16y2 = 16x^2 - 16y2

Comments

в конце 16у^2