Factorise: 2a2 + 7ab - 15b2
2a2 + 7ab - 15b2
= 2a2 + 10ab - 3ab - 15b2
=2a(a+5b) -3b(a+5b)
=(a+5b)(2a-3b)
Hope this would have cleared your doubt .
What are you looking for?
Factorise: 2a2 + 7ab - 15b2
2a2 + 7ab - 15b2
= 2a2 + 10ab - 3ab - 15b2
=2a(a+5b) -3b(a+5b)
=(a+5b)(2a-3b)
Hope this would have cleared your doubt .