Question

Which of the following are quadratic equations...

$1. \: {x}^{3} - x = {x}^{2} + 2$
$2. \: \sqrt{x} + 4 = x + 1$
$3. \: (x + 1)( {x}^{2} - 2) = {(x + 3)}^{2}$

Pls don't post irrelevant answers​

Answer 1

$\huge{\mathbb{\red{Answer}}}$

➡x ³ −x²=x +2 is a quadratic equation

More information :-

.

quadratic equation is any equation that can be rearranged in standard form as where x represents an unknown, and a, b, and c represent known numbers, where a ≠ 0. If a = 0, then the equation is linear, not quadratic, as there is no term.

Answer 2

Answer:

x3 - x = x2 + 2

Step-by-step explanation:

Here is your answer buddy

Hope it helped u

please mark me as brainliest and follow me plz plz