Question

Simplify the following expression: -4x^5y^4x x 5xy^7z^4

Answer 1

`-20x^(7)y^(11)z^(4)`

Explanation:

Multiply: -4 and 5 which then equals
`-20x^5y^4x` X
`xy^7z^4`

Add Exponents:
`x^5+x1+x1` and then
`y^4+y^7`which finally equals to the answer,
`-20x^7y^(11) z^4`