Question

Is this the right answer if not could u help me

Answer 1

Given:

There are given the expression:

$(-x^2+x)+(4x^2-x-1)$

Explanation:

Simplified the above expression:

So,

$\begin{gathered} (-x^2+x)+(4x^2-x-1)=-x^2+x+4x^2-x-1 \\ =3x^2-1 \end{gathered}$

Explanation:

Hence, the correct option is C.