Question

xb + xy +2ab + 2ay fatorar

Answer 1

xb + xy +2ab + 2ay
x(b+y) + 2a(b+y)
(x+2a) (b+y)

Answer 2

$x\cdot b+x\cdot y+2\cdot a\cdot b+2\cdot a\cdot y$

$x\cdot(b+y)+2\cdot a\cdot(b+y)$

$\boxed{\boxed{(x+2\cdot a)\cdot(b+y)}}$