Question

factorise the following 2 X square + 7 x y - 15 y square​

Answer 1

Answer:

Step-by-step explanation:

2x^2+10xy-3xy-15y^2=0

2x(x+5y)-3y(x+5y)=0

(x+5y)(2x-3y)=0

x+5y=0

x=-5y

2x-3y=0

2x=3y

x=3y/2