Question

Simplify the following expression: (5x2 + 3x + 4) − (2x2 + 5x − 1). If the final answer is written in the form Ax2 + Bx + C, what is the value of A?

Numerical Answers Expected!

Answer for Blank 1:

Answer 1

hint:
we can write:
\[\Large \begin{gathered}
\left( {5{x^2} + 3x + 4} \right) - \left( {2{x^2} + 5x - 1} \right) = \hfill \\
\hfill \\
= 5{x^2} + 3x + 4 - 2{x^2} - 5x + 1 = ... \hfill \\
\end{gathered} \]
please, simplify

Answer 2

you have to combine similar terms