Math, asked by kunaljoshi61, 2 months ago

Show that- 15ab (4a+5b)^2 - 80ab= (4a-5b)^2​

Answers

Answered by hrishud2
2

Answer:

15ab(4a+5b)²-80ab=(4a-5b)²

15ab

15ab(4a+5b)²-80ab

15ab[4a²+2(4a×5b)5b²] - 80ab

15ab(4a²+20ab+5b²)-80ab

15ab×4a²+15ab×20ab+15ab×5b²-80ab

60a³b²+300a²b²+75a²b³-80ab

Similar questions