Question

What is the product of -3x^2y and (5xy^2+xy)?

Answer 1

`-3x^2y * (5xy^2 +xy) =\\ \\= -3x^2y \cdot 5xy^2 -3x^2y\cdot xy =\\ \\=-3\cdot 5x ^(2+1)y^(1+2) -3x ^(2+1)y ^(1+1)=\\ \\ =-15x ^(3)y^(3) -3x ^(3)y ^(2)`