Question

The value of$(2{\mathrm{x}}^2+4)÷2$ is

• A. $2{\mathrm{x}}^2+2$
• B. ${\mathrm{x}}^2+2$
• C. ${\mathrm{x}}^2+4$
• D. $2{\mathrm{x}}^2+4$

Answer 1

The correct option is B

${\mathrm{x}}^2+2$

Find the value of$(2{\mathrm{x}}^2+4)÷2$

$\begin{array}{rcl}(2{\mathrm{x}}^2+4)÷2& =& \frac{2\left(x^2+2\right)}{2}\\ & =& x^2+2\\ \therefore (2{\mathrm{x}}^2+4)÷2& =& x^2+2\end{array}$

$\therefore$The correct option is B