Question

multiply:
1. (a+b ) and ( a-b )
2. ( 2x + y) and ( 3x - 2y)

Answer 1

HEY MATE __________↓↓

(a + b )(a - b ) = a² - b²

(2x + y)( 3x -2y)

= 6x² - 4xy + 3xy - 2y²

= 6x² - xy - 2y²

HOPE IT HELPS ☺☺✌

Answer 2

1 .
${a } ^{ 2 } - {b}^{2}$
2.

this is the answer hope u understand