Question

How would #8 be written out

Answer 1

It would be written out as "number eight".

Answer 2

`30-3x^2`


`30-3(3)^2`
`Substitute \ x \ for \ 3`


`Use \ Product \ Rule: \ x^ax^b=x^a^+^b`


`30-3^3`


`30 - 27`


`x=3`