Question

What is the simplified standard form `3x ^ { 2} + 4x ^ { 3} - 2x + 5- 3x ^ { 2} - 7x ^ { 2} + 12`?

Answer 1

`+4x^3-7x^2-2x+17`

Explanation:

we cancel `3x^2`
and add `5+12`
so we get
`4x^3-7x^2-2x+17`