Question

first box constant, quadratic, or linear?second box monomial, trinomial, or binomial?third box 0,2,or1

Answer 1

Given:

$(3x^2-x-7)-(5x^2-4x-2)+(x+3)(x+2)$$\begin{gathered} (3x^2-x-7)-(5x^2-4x-2)+(x+3)(x+2)=3x^2-x-7-5x^2+4x+2+x^2+2x+3x+6 \\ =-x^2+8x+1 \end{gathered}$

Given expression is quadratic.

Trinomial

Degree of the equation is 2