Question

Add: (9x²y³ - 15xy) ; (3x²y³ + 7xy)​

Answer 1

Answer:

9x²y³-15xy

+3x²y³+7xy

12x²y³-8xy

12x²y³-8xy=4xy(3xy²-2)

hope it helps you and don't forget to follow mè

Answer 2

Answer:

$9 {x}^{2} {y}^{3} - 15xy + 3 {x}^{2} {y}^{3} + 7xy$

$= 9 {x}^{2} {y}^{3} + 3 {x}^{2} {y}^{3} - 15xy + 7xy$

$= 12 {x}^{2} {y}^{3} - 8xy$