Question

Which of the following is a quadratic equation?

• A. $x(x+4) 12$
• B. $x(x+4) = x^2 + 2x + 1$
• C. $x(x+4)-x(x-2) = 0$
• D. $x(x + 4) = x(x+5) − x$

Answer 1

Answer: (A)

$x(x+4) 12$

Answer 2

The correct answer is option (A):$x(x+4) 12$