Question

`-2xy^2(x^3y-2x^2y^2+5xy^3`

Answer 1

`\boxed{\sf a(b+c+d)=ab+ac+ad}`

`\\ \sf\longmapsto -2xy^2(x^3y-2x^2y^2+5xy^3)`

`\\ \sf\longmapsto -2x^4y^3+4x^3y^4-10x^2y^5`

Hope it helps