Answer:
2a - 3b
Step-by-step explanation:
(2a + 3b)(a - b) | Given
2a - 3b | Multiply the numbers in the parenthesis (the positive sign becomes negative
=2a squared 2+ab−3b squared 2
=(2a+3b)(a+−b)
=(2a)(a)+(2a)(−b)+(3b)(a)+(3b)(−b)
=2a2−2ab+3ab−3b2
=2a2+ab−3b2
