Question

What is `3x^3+2x^2-3x^2-5x` when `x=2`?

Answer 1

`10`

Explanation:

we have
`3x^3+2x^2-3x^3-5x=3x^3-x^2-5x`
pluggint `x=2` in the equation above:
`3*8-4-5*2=24-4-10=10`