Question

Factorize 15xy+6x+10y+4

Answer 1

3x(5y+2)2(5y+2)

(3x+2) (5y+2)

3x+2=0 , 5y+2=0

x+2=3 , y+2=5

x=3-2 , y=5-2

x=1 , y=3