Write in Standard Form x^2-x^4+2x^2

$x^{2} - x^{4} + 2 x^{2}$

Step 1

To write a polynomial in standard form, simplify and then arrange the terms in descending order.

$a x^{2} + b x + c$

Step 2

Add $x^{2}$ and $2 x^{2}$ .

$- x^{4} + 3 x^{2}$