Question

How do you multiply `-2x ^ { 4} y ^ { 2} \times 4x y ^ { 2}`?

Answer 1

`-8x^5y^4`

Explanation:

`-2x^4y^2 xx 4xy^2`

`:.=-8x^(4+1)y^(2+2)`

`:.=-8x^5y^4`