Question

factorise
(7x^2 -5xy + 28xy - 20y^2)​

Answer 1

Answer:

x= 23.6 , y= -4y

Step-by-step explanation:

(7x^2 -5xy + 28xy - 20y^2)​

x [7x-5y] + 4y [7x-5y]

[x+4y] [7x-5y]

x= -4y, x=5y/7

By comparing both the values of x,

y= -5.9

∴x= 23.6

[ I tried my best ]