Question

`{7}x + {2x}^(2) + 1 - x - 5`simplify the expression

Answer 1

Simplifying the expression, we have that:

`\begin{gathered} 7x+2x^2+1-x-5 \\ =2x^2+6x-4 \end{gathered}`

So the simplified expression is 2x² + 6x - 4.