Question

fatorando 10x2y-15xy+5y, obtemos:

Answer 1

10x²y - 15xy + 5y

10x²y - 5y.(3x - 1)
=> 5y(x - 1) . (2x - 1)

Answer 2

$\ \ 10x^2y-15xy+5y\\ \\=5y\cdot(2x^2-3x+1)\\ \\=5y\cdot(x- \frac{1}{2} )\cdot(x-1)$